If you have any suggestion or want your project included in the list, you can either open a pull request or send me an email with the necessary information.
* [borg](https://github.com/borgbackup) - Encrypted backups with a clean and simple interface; easy to use and set up; possibility to mount the backup archive with FUSE and inspect it as a regular file system.
* [duplicity](https://gitlab.com/duplicity/duplicity) - Creates GPG encrypted, compressed backups; client-side encryption allows to upload the backup onto untrusted servers.
* [Duply](https://sourceforge.net/projects/ftplicity/) - Simplifies the use of [duplicity](http://duplicity.nongnu.org/) by keeping clean configuration files to automate the backup.
* [kalk](https://github.com/PaddiM8/kalk) - Command line calculator that supports math-like syntax with user-defined variables, functions, derivation, integration, and complex numbers.
* [mdlt](https://github.com/metadelta/mdlt) - A lightweight command line tool that lets you perform arithmetic and symbolic math operations right from the terminal.
* [irssi](https://github.com/irssi/irssi) - The most popular IRC client for the command-line; a flexible program, with many options and supporting many protocols.
* [PingMe](https://github.com/kha7iq/pingme) - Sends messages or alerts to multiple messaging platforms & email, including Slack, Telegram, Mattermost, WeChat and others.
* [RainbowStream](http://www.rainbowstream.org/) - Twitter client for the terminal; allows almost all the operations that can be done from GUI and Web clients.
* [ssh-chat](https://github.com/shazow/ssh-chat) - Custom SSH server written in Go. Instead of a shell, you get a chat prompt.
* [BaFi](https://github.com/mmalcek/bafi) - Universal JSON, BSON, YAML, CSV, XML translator to ANY format using templates.
* [catdoc](http://www.wagner.pp.ru/gitweb/?p=oss/catdoc.git) - Command line converter from Microsoft Word to plain text; output is sent to the standard output.
* [Pandoc](https://github.com/jgm/pandoc) - Universal document file converter; handles input output from/to a number of formats: HTML, PDF, LaTeX, docx, odt, AsciiDoc, Markdown, Textile, just to mention a few; the quality of conversion strongly depends on the combination of input/output formats.
* [simtex](https://github.com/iaacornus/simtex) - simtex (simplified LaTeX) allows you to convert your markdown or text lectures into LaTeX file with one command, configured with simple .json file.
* [csvkit](https://github.com/wireservice/csvkit) - A suite of command-line tools for converting to and working with CSV, the king of tabular file formats.
* [Dolt](https://github.com/dolthub/dolt) - Dolt is Git for Data! Dolt is a SQL database that you can fork, clone, branch, merge, push and pull just like a git repository.
* [GNU Recutils](https://www.gnu.org/software/recutils/manual/) - Set of tools and libraries to access human-editable, text-based databases called recfiles.
* [Graphtage](https://github.com/trailofbits/graphtage) - Graphtage is a commandline utility andunderlying libraryfor semantically comparing and merging tree-like structures, such as JSON, XML, HTML, YAML, plist, and CSS files.
* [GROQ](https://github.com/sanity-io/groq-cli) - The CLI tool consumes both JSON and NDJSON documents. You can pass in data from a local file, or from piping to standard input.
* [jq](https://github.com/stedolan/jq) - (JSON Query?) is sed-like processor for JSON data; can be used to process JSON files and data streams and perform operations such as those allowed by `cat`, `sed`, `grep` and `awk` on regular text files.
* [lowcharts](https://github.com/juan-leon/lowcharts) - lowcharts is meant to be used in those scenarios where we have numerical data in text files that we want to display in the terminal to do a basic analysis.
* [q](https://github.com/harelba/q) - Executes SQL-like queries on CSVs/TSVs tabular data files; each tabular file is treated as a database table; support to all SQL constructs (`WHERE`, `GROUP BY`, `JOIN`).
* [ROAPI](https://github.com/roapi/roapi) - ROAPI automatically spins up read-only APIs for static datasets without requiring you to write a single line of code.
* [sq](https://github.com/neilotoole/sq) - Command line tool that provides jq-style access to structured data sources such as SQL databases, or document formats like CSV or Excel.
* [usql](https://github.com/xo/usql) - Universal command-line interface for PostgreSQL, MySQL, Oracle Database, SQLite3, Microsoft SQL Server, and others, including NoSQL and non-relational databases.
* [VisiData](https://github.com/saulpw/visidata) - Interactive multitool for tabular data. It combines the clarity of a spreadsheet, the efficiency of the terminal, and the power of Python, into a lightweight utility which can handle millions of rows with ease.
* [zq](https://github.com/brimdata/zed) - Processor for JSON data with stateful operators and a syntax that is more consistent w.r.t. jq (as claimed by the authors).
* [curl](https://github.com/curl/curl) - A tool and library for transferring data with URL syntax; supports a lot of protocols.
* [Deluge](https://git.deluge-torrent.org/deluge) - A lightweight, Free Software, cross-platform BitTorrent client; a terminal curses interface, web interface and command line client can connect to a running daemon to manage torrent downloads.
* [Jitter](https://github.com/sharpcdf/jitter) - A repository-oriented binary manager for Linux, Jitter searches through online repository (currently only on GitHub) for releases with .tar.gz, .tgz, .zip or .AppImage assets.
* [lftp](https://github.com/lavv17/lftp) - "Sophisticated ftp/http client, and a file transfer program supporting a number of network protocols"; support for bookmarks and mirroring features.
* [Mabel](https://github.com/smmr-software/mabel) - Deriving its name from the Hebrew word "מבול," meaning flood, deluge, or (loosely) torrent, Mabel is a fancy BitTorrent client for the terminal.
* [Magic Wormhole](https://github.com/warner/magic-wormhole) - The program allows transfer arbitrary-sized files and directories (or short pieces of text) from one computer to another The two endpoints are identified by using identical human-readable codes.
* [Nextcloud share URL downloader](https://github.com/aertslab/nextcloud_share_url_downloader) - Download files from and list content of NextCloud (password protected) share directly from the command line without needing a webbrowser.
* [qr-filetransfer](https://github.com/sdushantha/qr-filetransfer) - Transfer files over WiFi between your computer and your smartphone from the terminal.
* [qrcp](https://github.com/claudiodangelis/qrcp) - Transfer Files Between Desktop And Mobile Devices Over Wi-Fi By Scanning A QR Code.
* [rclone](https://github.com/rclone/rclone) - Rclone manages file synchronization on cloud storage.
* [rsync](https://github.com/WayneD/rsync) - Mirror directories across networked machines; handles diffs/changed files; works across SSH; plenty of parameters.
* [sharing](https://github.com/parvardegr/sharing) - Sharing is a command-line tool to share directories and files from the CLI to iOS and Android devices without the need of an extra client app.
* [sitecopy](http://www.manyfish.co.uk/sitecopy/) - Synchronizes a local copy of a website with a remote copy on a server; does not use SSH/`scp` but FTP for file copy; useful when the remote server does not support secure copy.
* [stftp](https://sourceforge.net/projects/stftp/) - (simple terminal FTP) aims to be a "easy-to-use and unbloated client for the UNIX (and UNIX-like) console".
* [Transmission](https://github.com/transmission/transmission) - Fast, easy and free bittorrent client.
* [Unison](https://github.com/bcpierce00/unison) - File synchronizer. It allows two replicas of a collection of files and directories to be stored on different hosts (or different disks on the same host), modified separately, and then brought up to date by propagating the changes in each replica to the other.
* [Woof](https://github.com/simon-budig/woof/) - (Web Offer One File) sets up an HTTP webserver to serve files from a given local directory; all the users connected to the network can see and download the files.
* [xh](https://github.com/ducaale/xh) - xh is a friendly and fast tool for sending HTTP requests. It reimplements as much as possible ofHTTPie'sexcellent design.
* [youtube-dl](http://rg3.github.io/youtube-dl/) - Downloads videos from [YouTube](https://www.youtube.com/) and some other sites; useful for automated bulk downloads.
* [yt-splitter](https://github.com/redsolver/yt-splitter) - Downloads and splits audio tracks from a YouTube video according to the chapters/tracks. Useful for compilations or full album uploads.
* [ytfzf](https://github.com/pystardust/ytfzf) - A POSIX script that helps you find Youtube videos (without API) and opens/downloads them using mpv/youtube-dl.
* [fasd](https://github.com/clvv/fasd) - A Commandline Tool That Offers Quick Access to Files and Directories. It offers quick access to files and directories for POSIX shells. It is inspired by tools like autojump, z and v. Fasd keeps track of files and directories you have accessed, so that you can quickly reference them in the command line.
* [SmartCd](https://github.com/CodesOfRishi/smartcd) - A cd command with improved usability features, which can remember your recently visited directory paths and, search and directly traverse to sub-directories and as well as parent directories, all with Fuzzy searching.
* [diskus](https://github.com/sharkdp/diskus) - Minimal, fast alternative to du -sh.
* [dua](https://github.com/Byron/dua-cli) - Disk Usage Analyzer. Learn about the usage of disk space of a given directory with parallel access to max out SSD exploration.
* [duf](https://github.com/muesli/duf) - Disk Usage/Free Utility.
* [Dust](https://github.com/bootandy/dust) - du + rust = dust. Like du but more intuitive.
* [gdu](https://github.com/dundee/gdu) - Pretty fast disk usage analyzer written in Go. Gdu is intended primarily for SSD disks where it can fully utilize parallel processing. However HDDs work as well, but the performance gain is not so huge.
* [ncdu](https://code.blicky.net/yorhel/ncdu/) - "A disk usage analyzer with an ncurses interface. It is designed to find space hogs on a remote server where you don't have an entire graphical setup available."
* [Emacs](http://git.savannah.gnu.org/cgit/emacs.git) - One of the godfathers of text editors; free long-standing software project; tons of extensions and funcionalities; the biggest drawback (my taste): it needs [E-Lisp](https://www.gnu.org/software/emacs/manual/eintr.html) for being programmed.
* [Helix](https://github.com/helix-editor/helix) - A kakoune / neovim inspired editor, written in Rust. The editing model is very heavily based on kakoune.
* [jed](https://github.com/jedsoft/jed) - A text editor with a drop-down menu facility that make it especially user-friendly.
* [joe](https://sourceforge.net/projects/joe-editor/) - (Joe's Own Editor) is a compact text editor written in C; a detailed list of features and missing ones is explicitly reported in the website; this editor is mentioned in several web sources for its capability in handling large files.
* [Kakoune](https://github.com/mawww/kakoune) - Modal editor, faster as in less keystrokes,multiple selections, orthogonal design.
* [micro](https://github.com/zyedidia/micro/) - A terminal-based text editor written in Go that aims to be easy to use and intuitive, while also taking advantage of the full capabilities of modern terminals.
* [neovim](https://github.com/neovim/neovim) - A work in progress attempt to improve [vim](http://www.vim.org/), dropping older/unused OS compatibility, improving the codebase readability, modularity and maintainability; it has chances to become the next choice of vim users.
* [o](https://github.com/xyproto/o) - Configuration-free text editor and IDE limited to VT100. Suitable for writing git commit messages, editing Markdown, config files, source code, viewing man pages and for quick edit-compile cycles when programming.
* [slap](https://github.com/slap-editor/slap) - Text editor inspired by [Sublime Text](https://www.sublimetext.com/) written in NodeJS; extedable in Javascript.
* [Tilde](https://github.com/gphalkes/tilde) - Tilde is a text editor that provides an intuitive interface for people accustomed to GUI environments, usual shortcuts for common operation, a traditional menu bar, etc.
* [vai](https://github.com/stefanoborini/vai) - A text editor similar to `vim` written in Python; many feature are nicely replicated, some are still missing; however, the advantage of this implementation is its simplicity, maintainability and extensibility, thanks to the Python implementation.
* [vim](https://github.com/vim/vim) - Historically one of the preferred text editors; behavior based on editing modes; plenty of plugins and tips to address every possible editing problem.
* [vis](https://github.com/martanne/vis) - "a modern, legacy free, simple yet efficient vim-like editor", and more: "The intention is not to be bug for bug compatible with vim, instead a similar editing experience should be provided. The goal could thus be summarized as 80% of vim's features implemented in roughly 1% of the code"; the editor is scriptable in LUA and supports editing large files.
* [WordGrinder](https://github.com/davidgiven/wordgrinder) - From the website: "WordGrinder is a word processor for processing words. It is not WYSIWYG. It is not point and click. It is not a desktop publisher. It is not a text editor. It does not do fonts and it barely does styles. What it does do is words. It's designed for writing text. It gets out of your way and lets you type."
* [zee](https://github.com/zee-editor/zee) - Zee is a modern editor for the terminal, in the spirit of Emacs. It is written in Rust and it is somewhat experimental.
* [alpine](http://www.washington.edu/alpine/) - Mail client which aims at being "fast, easy to use email client that is suitable for both the inexperienced email user as well as for the most demanding of power users".
* [Mutt](https://gitlab.com/muttmua/mutt) - Mail client with tons of features, customization chances, support for IMAP, POP3, multiple storage formats.
* [NeoMutt](https://github.com/neomutt/neomutt) - Patched and up-to-dated mutt fork.
* [nmail](https://github.com/d99kris/nmail) - nmail is a console-based email client for Linux and macOS with a user interface similar to alpine / pine.
* [pymailgen](https://github.com/toolleeo/pymailgen) - Starting from the content of a CSV file and a template text file, pymailgen generates a list of emails to be sent out using a command-line SMTP client.
* [sup](https://github.com/sup-heliotrope/sup) - MUA written in Ruby; specifically developed for accounts with "a lot of emails"; nice thread-based presentation.
* [tmpmail](https://github.com/sdushantha/tmpmail) - A command line utility written in POSIX sh that allows you to create a temporary email address and receive emails to the temporary email address.
* [classifier](https://github.com/bhrigu123/classifier) - Organize files in your current directory, by classifying them into folders of music, pdfs, images, etc.
* [cv](https://github.com/Xfennec/progress) - (Coreutils Progress Viewer) "looks for coreutils basic commands (`cp`, `mv`, `dd`, `tar`, `gzip/gunzip`, `cat`, etc.) currently running on your system and displays the percentage of copied data. It can also show estimated time and throughput".
* [detox](https://sourceforge.net/projects/detox/) - A utility designed to easily clean up filenames; it replaces characters like spaces with standard equivalents; it also replace UTF-8 or Latin-1 (or CP 1252) characters with more handy ones.
* [dtrx](https://github.com/dtrx-py/dtrx) - (Do The Right eXtraction) aims at taking "all the hassle out of extracting archives"; allows to use one command to extract archives in different formats, recursive extraction (files into file) and extracts files into dedicated directories.
* [ff](https://github.com/akymos/ff) - ff is a command-line tool to manage favorite folders, creating an alias, to be used via shell directly with the cd command.
* [gcp](https://github.com/petronny/gcp) - `gcp` (Goffi’s cp) is an advanced file copier tool, heavily inspired from the traditional `cp` command utility, but with some additional features: Displays the copy progress indicator, with estimated time, current file speed; logs of all actions; resume of interrupted copy processes.
* [lsd](https://github.com/Peltoche/lsd) - This project is a rewrite of GNU ls with lot of added features like colors, icons, tree-view, more formatting options etc. The project is heavily inspired by the super colorls project.
* [PathPicker](https://github.com/facebook/pathpicker/) - A tool from Facebook that parses the output from a command and presents a UI to select files and directories; can be used to apply a command of a interactively selected files or to move across directories.
* [pcopy](https://github.com/binwiederhier/pcopy) - A temporary file host, nopaste and clipboard across machines. It can be used from the Web UI, via a CLI or without a client by using curl.
* [progress](https://github.com/Xfennec/progress) - A tool to monitor the progress of common Coreutils command-line tools (`cp`, `mv`, `dd`, `tar`, `rsync`, etc.); it uses an ncurses interface to display the percentage of data copied; it works by reading from system files and retrieving the necessary information for the estimation.
* [RecoverPy](https://github.com/PabloLec/RecoverPy) - RecoverPy is a powerful tool that leverages your system capabilities to recover lost files. Unlike others, you can not only recover deleted files but alsooverwrittendata.
* [rmlint](https://github.com/sahib/rmlint/) - A tool to recursively scan a directory tree looking for duplicate and broken files; it outputs statistics and save the list of files in JSON format; it produce a shell script that can be inspected before running it to delete the desire files.
* [clifm](https://github.com/leo-arch/clifm) - A CLI-based, shell-like, and non-curses terminal file manager written in C: simple, fast, extensible, and lightweight as hell.
* [lf](https://github.com/gokcehan/lf) - lf (as in "list files") is a terminal file manager written in Go with a heavy inspiration from ranger file manager.
* [lfm](https://inigo.katxi.org/devel/lfm/) - (Last File Manager) is a file manager written in Python; it comes with lots of features, including 1-pane or 2-pane view, files filters and bookmarks, tree view, virtual file-systems to open compressed archives, search in files, customizable keybindings and themes.
* [Midnight Commander](https://github.com/MidnightCommander/mc) - A visual file manager, full-screen text mode application that allows you to copy, move and delete files and whole directory trees and search for files; includes an internal viewer and editor.
* [ncursesFM](https://github.com/FedeDP/ncursesFM) - File manager written in C; rather complete in terms of features; especially lightweight and responsive.
* [nnn](https://github.com/jarun/nnn) - "The missing terminal file browser for X". Provides only directory traversal and file visualization. No delete/move operations are supported.
* [ranger](https://github.com/ranger/ranger) - Console file manager with vi key bindings; curses interface with a view on the directory hierarchy; comes with a file launcher that automatically determines which program to use for opening a given file type.
* [rnr](https://github.com/bugnano/rnr) - The RNR File Manager (RNR's Not Ranger) is a text based file manager that combines the best features ofMidnight CommanderandRanger.
* [vifm](https://github.com/vifm/vifm) - "ncurses based file manager with vi like keybindings/modes/options/commands/configuration, which also borrows some useful ideas from mutt" (cit.).
* [renameutils](http://www.nongnu.org/renameutils/) - A set of programs to change file and directory names by editing them inplace; I find `imv` especially useful to edit a filename at the program prompt.
* [Tempren](https://github.com/idle-code/tempren) - A powerful file renaming utility that uses flexible template expressions to create new file paths and names.
* [sshfs](https://github.com/libfuse/sshfs) - Locally mount a remote file-system through SSH and access files and directory as they would be on the local machine.
* [TMSU](https://github.com/oniony/TMSU) - A tool for tagging files; it provides a simple command line tool for applying tags and a virtual filesystem so that you can get a tag-based view of your files from within any other program.
* [FIGlet](https://github.com/cmatsuoka/figlet) - Not exactly a font manager, but a nice program for making large letters out of ordinary text; an astonishing number of different fonts is available.
* [toilet](https://github.com/cacalabs/toilet) - A program that tries to improve `FIGlet`; can load FIGlet fonts; supports Unicode input and output, colour fonts and output, and various output formats, including HTML, IRC and ANSI; uses `libcaca` to produce nice textual effects.
* [cbonsai](https://gitlab.com/jallbrit/cbonsai) - A bonsai tree generator, written in C using ncurses. It intelligently creates, colors, and positions a bonsai tree.
* [cowsay](https://github.com/tnalpgge/rank-amateur-cowsay) - A program that generates a ASCII art of a cow with a bubble containing the specified message (I provide the Wikipedia link since at the moment the link to the author's homepage results to be unreachable).
* [Draw](https://github.com/maaslalani/draw) - draw is an simple drawing tool in the terminal. Hold your mouse down and move it across the screen to draw anything you want!
* [Limoji](https://github.com/GEROGIANNIS/Limoji) - Limoji is an open source tool that makes it easy to choose between hundreds of cool ASCII emoticons and share them with your friends.
* [No More Secrets](https://github.com/bartobri/no-more-secrets) - A command line tool that recreates the famous data decryption effect seen in the 1992 movie Sneakers.
* [bastet](https://github.com/fph/bastet/) - (Bastard Tetris) implements the classical Tetris but with a logic to generate the next block which maximizes the difficulty for the player.
* [Cataclysm: Dark Days Ahead](https://github.com/CleverRaven/Cataclysm-DDA) - Open source turn-based survival RPG development project.
* [Dwarf fortress](http://www.bay12games.com/dwarves/) - A fantasy game using ASCII art graphical representation of the game environment; it features a rich environment with many options and possibilities.
* [freesweep](http://www.upl.cs.wisc.edu/~hartmann/sweep/) - A Minesweeper clone for the terminal which allows you to configure settings such as table rows and columns up to 1024x1024!), percentage of bombs, colors and also has a highscores table.
* [GameShell](https://github.com/phyver/GameShell) - GameShell was devised as a tool to help university studentsto engage with arealshell, in a way that encourages learning while also having fun.
* [othello-cli](https://github.com/LelsersLasers/othello-cli) - othello-cli is a cli version of Othello (Reversi) written in Rust. You can play against another player, the AI, or watch two AIs play each other.
* [Slash'EM](https://sourceforge.net/projects/slashem/) - Rogue-like game derived from `nethack` offering extra features, monsters, and items; includes a GUI version.
* [sssnake](https://github.com/AngelJumbo/sssnake) - (Smart and sexy snake) The classic snake game for the terminal that can plays itself and be use like a screensaver.
* [terminordle](https://github.com/HP4k1h5/terminordle) - Inspired by the popular online game wordle made, you can play a pretty close replica of the original locally or multiplayer over the network.
* [Typespeed](https://sourceforge.net/projects/typespeed/) - Type words that are flying by from left to right as fast as you can; features different word sets, e.g., UNIX commands, English words, Non-English words.
* [git](https://github.com/git/git) - The winner across all the existing file versioning tools; distributed versioning; fully controllable from the command-line; plenty of configuration and usage options; behind a number of related project that leverage git as backend.
* [git-annex](http://source.git-annex.branchable.com/?p=source.git) - Manages files with `git`, without checking the file contents into git; very useful to manage large/binary files.
* [git-secret](https://github.com/sobolevn/git-secret) - A bash tool which stores private data inside a git repo; it uses users' public keys, allowing trusted users to access encrypted data using pgp and their secret keys.
* [gitsummary](https://github.com/glenreesor/gitsummary) - A better git status taht lists stashes, file statuses, branch list, all nicely formatted with color.
* [GitUI](https://github.com/extrawurst/gitui) - The comfort of a git GUI but right in your terminal, with keyboard only control, scalable UI, and features all the necessary operations of git.
* [grv](https://github.com/rgburke/grv) - Git Repository Viewer - A terminal based interface for viewing Git repositories. It allows refs, commits and diffs to be viewed, searched and filtered.
* [onefetch](https://github.com/o2sh/onefetch) - Git repository summary on your terminal.
* [Soft Serve](https://github.com/charmbracelet/soft-serve) - Self-hostable Git server for the command line. One distinguished feature is the possibility to create new repositories with a push.
* [tig](https://github.com/jonas/tig) - An ncurses-based text-mode interface for `git` that can act as a repository browser, but can also assist in staging changes for commit at chunk level.
* [Aewan](https://sourceforge.net/projects/aewan/) - Aewan is a multi-layered ASCII graphics/animation editor. It produces stand-alone cat-able ASCII art files and an easy-to-parse format for integration into terminal applications.
* [GraphicsMagick](https://sourceforge.net/projects/graphicsmagick/) - Swiss army knife of image processing.
* [ImageMagick](https://github.com/ImageMagick/ImageMagick) - Software suite to create, edit, compose, or convert bitmap images; it handles many file formats (including PDF and SVG) and provides processing tools to "resize, flip, mirror, rotate, distort, shear and transform images, adjust image colors, apply various special effects, or draw text, lines, polygons, ellipses and Bézier curves".
* [imgp](https://github.com/jarun/imgp) - A command line image resizer and rotator for JPEG and PNG images. It can resize (or thumbnail) and rotate thousands of images in a go, at lightning speed, while saving significantly on storage.
* [inklayers](https://github.com/toolleeo/inklayers) - A command line program that exports layers from an SVG file. It can be used to create slide shows by editing a single SVG file.
* [kakikun](https://github.com/file-acomplaint/kakikun) - Kakikun is a tool to paint, draw and create ASCII art in your terminal using unicode characters.
* [Korkut](https://github.com/oguzhaninan/korkut) - Quick and simple image processing with the following functions: optimize, convert, crop, resize, rotate, watermark, flip.
* [invidtui](https://github.com/darkhz/invidtui) - Invidious TUI client, which fetches data from invidious instances and displays a user interface in the terminal, and allows for selecting and playing Youtube audio and video.
* [bluetuith](https://github.com/darkhz/bluetuith) - A TUI-based Bluetooth connection manager, which can interact with Bluetooth adapters and devices. It aims to be a replacement to most Bluetooth managers, like blueman.
* [geoiplookup](https://github.com/maxmind/geoip-api-c) - A little application to find geographical and network information of an IP address based no the geoip C API.
* [ipcalc](https://github.com/kjokjo/ipcalc) - Takes an IP address and netmask and calculates the resulting broadcast, network, Cisco wildcard mask, and host range.
* [PSSH](https://code.google.com/archive/p/parallel-ssh/) - PSSH provides parallel versions of OpenSSH and related tools. Included are pssh, pscp, prsync, pnuke, and pslurp. The project includes psshlib which can be used within custom applications.
* [quickserve](https://github.com/charliesome/quickserve) - Quickserve is a very simple HTTP server written in Python that is intended for quickly sharing files on an ad-hoc basis. Aside from opening a port in your firewall if you have one, quickserve requires no set-up and should work with no hassle.
* [rtop](https://github.com/rapidloop/rtop) - rtop is a simple, agent-less, remote server monitoring tool that works over plain SSH. Written in golang, it does not need any software to be installed on the server that you want to monitor. It works by establishing an SSH session, and running commands on the remote server to collect system metrics.
* [serve](https://github.com/zeit/serve) - Serves a static site, single page application, or just a static file, and provides a neat interface for listing the directory's contents.
* [TStream](https://github.com/qnkhuat/tstream) - Live streaming from the terminal. Requires the connection to a central server, from which the streaming is dispatched.
* [dnote](https://github.com/dnote/dnote) - A simple command line notebook for the terminal. It also offers a seamless multi-device sync and a web interface.
* [jot](https://github.com/araekiel/jot) - Jot is a feature-stripped version of Obsidian focused on rapid note management through the terminal. It uses the same format of storage as Obsidian.
* [sc-im](https://github.com/andmarti1424/sc-im) - Spreadsheet Calculator Improvised -- An ncurses spreadsheet program for terminal. It is rich in functionalities, but the syntax of functions and other details are different from the common spreadsheets such as Excel and Calc, making difficult to "re-cycle" existing knowledge on these programs to work proficiently with sc-im. Neverthless, a nice piece of software."
* [tpp](https://github.com/Kerrick/tpp) - (text presentation program) a ncurses Ruby program that allows to produce nice text-based presentation with simple markup language.
* [calcurse](https://git.calcurse.org/calcurse.git/) - A calendar and scheduling application for the command line. It helps keep track of events, appointments and everyday tasks.
* [goobook](https://gitlab.com/goobook/goobook) - The purpose of GooBook is to make it possible to use your Google Contacts from the command-line and from MUAs such as Mutt. It can be used from Mutt the same way as abook.
* [khal](https://github.com/pimutils/khal) - CLI and terminal calendar program, able to synchronize with CalDAV servers through [vdirsyncer](https://github.com/pimutils/vdirsyncer).
* [Org mode](https://git.savannah.gnu.org/cgit/emacs/org-mode.git) - Super-powerful [Emacs](https://www.gnu.org/software/emacs/) plugin to manage outlines with associated timestamps, priorities, labels, etc.; available views grouped by time (agenda), tags, etc.; plain text storage format.
* [pal](https://sourceforge.net/p/palcal/code/HEAD/tree/) - Calendar program for Unix/Linux systems that can keep track of events; custom, plain text storage format; interesting and fully functional.
* [ppl addressbook](http://ppladdressbook.org/) - `ppl` is free software made out of other free software. It's built on top of Ruby and Git, and the completely free vcard address book format.
* [Remind](https://www.roaringpenguin.com/products/remind) - Calendar program with possibility to set complex rules to define events; custom, powerful text-based storage format.
* [Wyrd](http://freecode.com/projects/wyrd/) - Curses front-end for [Remind](https://www.roaringpenguin.com/products/remind) written in OCaml with vertically scrollable time table.
* [Awesome CLI](https://github.com/umutphp/awesome-cli) - Awesome CLI is a simple command line tool to give you a fancy command line interface to dive into Awesome lists.
* [pockyt](https://github.com/arvindch/pockyt) - Read, manage, and automate the collection of articles in [Pocket](https://getpocket.com), an application for managing a reading list of articles from the Internet.
* [so](https://github.com/samtay/so) - Terminal interface for Stack Overflow.
* [socialscan](https://github.com/iojw/socialscan) - Python library and CLI for accurately querying username and email usage on online platforms.
* [socli](https://github.com/gautamkrishnar/socli) - Stack overflow command line client written in Python. Search and browse stack overflow without leaving the terminal
* [Bitwarden CLI](https://github.com/bitwarden/cli) - Command-line interface for Bitwarden, a multi-platform password manager targeted to companies and enterprises.
* [dpg](https://github.com/62726164/dpg) - The Deterministic Password Generator - Generates passwords based on a master password and the indication of the website/service/username, without the need of storing anything.
* [gopass](https://github.com/gopasspw/gopass) - gopass is a rewrite of the pass password manager in Go with the aim of making it cross-platform and adding additional features. The target audience are professional developers and sysadmins (and especially teams of those) who are well versed with a command line interface.
* [kpcli](https://sourceforge.net/projects/kpcli/) - A command line interface for KeePass.
* [pass](https://git.zx2c4.com/password-store/) - With pass, each password lives inside of a gpg encrypted file whose filename is the title of the website or resource that requires the password. These encrypted files may be organized into meaningful folder hierarchies, copied from computer to computer, and, in general, manipulated using standard command line file management utilities.
* [passfzf](https://git.sr.ht/~mlaparie/passfzf) - A simple fzf wrapper for pass (the UNIX password-store). It allows fuzzy finding your pass passwords to copy, show, edit, delete, rename and duplicate them.
* [safe.sh](https://github.com/windowsrefund/safe) - Pure Bash script to manage secure archives; simple and clean; uses [gnugpg](https://gnupg.org/) for encryption/decryption, thus can leverage tools like [GPG Agent](https://www.gnupg.org/documentation/manuals/gnupg/Invoking-GPG_002dAGENT.html).
* [SpicyPass](https://github.com/JFreegman/SpicyPass) - A light-weight password manager with a focus on simplicity and security.
* [titan](https://www.byteptr.com/titan/) - Password management belongs to the command line, deep into the Unix heartland, the shell. Titan is written in C and is available under the MIT license.
* [arbtt](https://github.com/nomeata/arbtt) - (automatic, rule-based time tracker) runs in background, collecting information regarding open windows, focussed ones, etc.; it can be configured to display statistics on the collected data, e.g., figuring out the time spent on one specific window.
* [Bartib](https://github.com/nikolassv/bartib) - Easy to use time tracking tool for the command line. It saves a log of all tracked activities as a plaintext file and allows you to create flexible reports.
* [h-m-m](https://github.com/nadrad/h-m-m) - h-m-m (pronounced like the interjection "hmm") is a simple, fast, keyboard-centric terminal-based tool for working with mind maps.
* [habitmap](https://github.com/shuu-wasseo/habitmap) - A command-line app to track your habits and visualise how committed you are to making or maintaining them with colorful heatmaps.
* [hledger](https://github.com/simonmichael/hledger) - A is fast, reliable, free, multicurrency double-entry accounting software to track money, investments, cryptocurrencies, time, or any other quantifiable commodity; uses a future-proof plain text file format.
* [ledger](https://github.com/ledger/ledger) - A powerful, double-entry accounting system from the command-line; it uses a simple yet powerful text syntax to specify the items to account.
* [speedread](https://github.com/pasky/speedread) - A simple terminal-based open source Spritz-alike filter that shows input text as a per-word RSVP (rapid serial visual presentation) aligned on optimal reading points.
* [Timetrap](https://github.com/samg/timetrap) - A simple command line time tracker written in Ruby. It provides an easy to use command line interface for tracking what you spend your time on.
* [Timewarrior](https://github.com/GothenburgBitFactory/timewarrior) - A time tracking utility that offers simple stopwatch features as well as sophisticated calendar-based backfill, along with flexible reporting.
* [Translate Shell](https://github.com/soimort/translate-shell) - Command-line translator using Google Translate, Bing Translator, Yandex.Translate, etc.
* [tz](https://github.com/oz/tz) - tz helps you schedule things across time zones. It's an interactive TUI program that displays time across the time zones of your choosing.
* [Watson](https://github.com/TailorDev/Watson) - Time tracking CLI to know how much time you are spending on your projects. It can generate nice reports for clients.
* [cgasm](https://github.com/bnagy/cgasm) - Pronounced “SeekAzzem”, it is a standalone, offline terminal-based tool with no dependencies that gives me x86 assembly documentation.
* [cloc](https://github.com/AlDanial/cloc) - Tool for counting blank lines, comment lines, and physical lines of source code in many programming languages.
* [Cookiecutter](https://github.com/audreyr/cookiecutter) - A cross-platform command-line utility that creates projects from cookiecutters (project templates), e.g. Python package projects, C projects.
* [fastmod](https://github.com/facebookincubator/fastmod) - A tool to assist you with large-scale codebase refactors, and it supports most of codemod's options. It is focused on improving the use case "I want to use interactive mode to make sure my regex is correct, and then I want to apply the regex everywhere".
* [Frama-C](https://git.frama-c.com/pub/frama-c/) - Open-source extensible and collaborative platform dedicated to source-code analysis of C software. Frama-C can assist from the navigation through unfamiliar projects up to the certification of critical software.
* [Kool](https://github.com/kool-dev/kool) - CLI tool that brings the complexities of modern software development making these environments lightweight, fast and reproducible.
* [legit](https://github.com/captainsafia/legit) - Automagically generates a LICENSE file for the current working directory that you are in or a license header for a file where applicable.
* [pvcheck](https://github.com/claudio-unipv/pvcheck) - A tool to apply automated testing to programs that produce textual output. The format of the output is very specific, making pvcheck suitable to test programming quizzes.
* [rebound](https://github.com/shobrook/rebound) - Fetch Stack Overflow results in your terminal when you get an error. Supported languages: Python, Node.js, Ruby, Golang, and Java.
* [scc](https://github.com/boyter/scc) - Sloc Cloc and Code (scc) is a codebase statistics counter. Goal is to be the fastest code counter possible, but also perform COCOMO calculation like sloccount and to estimate code complexity similar to cyclomatic complexity calculators. In short one tool to rule them all.
* [scons](https://github.com/SCons/scons) - Software construction tool.
* [temci](https://github.com/parttimenerd/temci) - Advanced benchmarking tool written in Python 3 that supports setting up an environment for benchmarking and the generation of visually appealing reports.
* [Tokei](https://github.com/XAMPPRocky/tokei) - Tokei is a program that displays statistics about your code. Tokei will show the number of files, total lines within those files and code, comments, and blanks grouped by language.
* [element](https://github.com/gennaro-tedesco/element) - Periodic table on the command line.
* [FAWOC](https://github.com/robolab-pavia/fawoc) - FAWOC is a TUI program for manually labelling a list of words. It has been developed to support the efficient clustering of documents based on topic modeling algorithms such as Dirichlet Latent Allocation.
* [Go-L](https://github.com/Jeadie/Go-L) - Game of Life with different update rules and on a bunch of different topologies (sphere, torus, klein bottle, etc.).
* [Pubs](https://github.com/pubs/pubs) - Pubs organizes your scientific papers together with their bibliographic data and provides command line access to basic and advanced manipulation of your library.
* [slr-kit](https://github.com/robolab-pavia/slr-kit) - Set of CLI tools to assist the writing of Systematic Literature Reviews powered by Natural Language Processing.
* [acmetool](https://github.com/hlandau/acme) - Easy-to-use command line tool for automatically acquiring certificates from ACME servers (such as Let's Encrypt).
* [cream](https://git.z3bra.org/cream/files.html) - Encrypt and decrypt streams of data with only a master password. The key is derivated from the password + salt combo, and used to encrypt data byte per byte.
* [encfs](http://www.arg0.net/#!encfs/c1awt) - Encrypted filesystem in user-space based on [FUSE](https://it.wikipedia.org/wiki/FUSE); mounts an encrypted directory into a clear one.
* [Firejail](https://github.com/netblue30/firejail) - A SUID program that reduces the risk of security breaches by restricting the running environment of untrusted applications using Linux namespaces and seccomp-bpf.
* [GnuPG](https://dev.gnupg.org/source/gnupg/repository/master/) - GnuPG is a complete and free implementation of the OpenPGP standard as defined byRFC4880(also known asPGP).
* [hashcat](https://github.com/hashcat/hashcat) - A robust and efficient password cracking tool that can help you recover lost passwords, audit password security, benchmark, or just figure out what data is stored in a hash.
* [Image Steganography Tool](https://github.com/7thSamurai/steganography) - Simple C++ Encryption and Steganography tool that uses Password-Protected-Encryption to secure a file's contents.
* [LUKS](https://github.com/guardianproject/luks/wiki) - Hard disk encryption tool; it stores all setup information in the partition header, enabling easy data transport or migration.
* [Cat9](https://github.com/letoram/cat9) - Cat9 is a user shell script for LASH - a command-line shell that discriminates against terminal emulators, written in Lua.
* [Fish](https://github.com/fish-shell/fish-shell) - "A command line shell for the 90s"; focused on user-friendliness, with powerful autosuggestions, colors, "sane scripting" (w.r.t. to Bash).
* [Spaceship](https://github.com/spaceship-prompt/spaceship-prompt) - Minimalistic, powerful and extremely customizable Zsh prompt.
* [xonsh](https://github.com/xonsh/xonsh) - The xonsh shell lets you easily mix Python and shell commands in a powerful and simplified approach to the command line.
* [Zsh](https://sourceforge.net/p/zsh/code/ci/master/tree/) - Alternative shell designed for interactive use.
* [beets](https://github.com/beetbox/beets) - Beets is the media library management system for obsessive music geeks: catalogs your collection, automatically improving its metadata as it goes.
* [kord](https://github.com/synestematic/kord) - A python framework that provides programmers with a simple api for the creation of music-based applications.
* [MOC](https://moc.daper.net/) - (music on console) is a powerful and easy to use console audio player; user interface a la Midnight Commander; plenty of features; fully controllable from the keyboard.
* [Mp3blaster](https://sourceforge.net/projects/mp3blaster/) - Audio player for the text console.
* [mpg123](https://sourceforge.net/projects/mpg123/) - Quick `mp3` sound file player; no visual interface, just a command-line audio file player for `mp3` files.
* [mps-youtube](https://github.com/mps-youtube/mps-youtube) - A curses player for music tracks from Youtube; it allows to search for songs and playlists; it downloads the video, extracts the audio track and plays it; handles local playlists and many configuration parameters.
* [MusicPlayerPlus](https://github.com/doctorfree/MusicPlayerPlus) - Featureful ncurses based MPD client inspired by ncmpc with integration for Beets, spectrum visualization,Bandcamp/Soundcloud, asciimatics, cantata, and more.
* [ncmpcpp](https://github.com/ncmpcpp/ncmpcpp) - NCurses Music Player Client (Plus Plus) - featureful ncurses based MPD client inspired by ncmpc. Relevant features: tag editor, playlist editor, easy to use search engine, media library, music visualizer, ability to fetch artist info from [last.fm](https://www.last.fm/), new display mode, alternative user interface, ability to browse and add files from outside of MPD music directory.
* [ogg123](https://gitlab.xiph.org/xiph) - Quick `ogg` sound file player; no visual interface, just a command-line audio file player for the free and open `ogg` file format.
* [Siren](https://www.kariliq.nl/git/siren/) - Siren is a text-based audio player for UNIX-like operating systems.
* [spotify-player](https://github.com/aome510/spotify-player) - spotify-player is a fast, easy to use, and configurable terminal music player having feature parity with the official Spotify application.
* [Tera](https://github.com/shinokada/tera) - Terminal Radio: an easy-to-use CLI music player to play favorite music, radio stations and explore various radio stations from the terminal only.
* [Tizonia](https://github.com/tizonia/tizonia-openmax-il) - Command-line cloud music player for Linux with support for Spotify, Google Play Music, YouTube, SoundCloud, TuneIn, iHeartRadio, Plex servers and Chromecast devices.
* [glances](https://github.com/nicolargo/glances) - A comprehensive and detailed system monitoring tool; monitored parameters include: CPU, memory, load, process list, network interfaces, disk I/O, sensors, filesystems, docker, system info, uptime.
* [inxi](https://github.com/smxi/inxi) - A comprehensive system information script; provides information about CPU, graphics, audio and network devices, drives and partitions, sensors; implemented as a Bash script.
* [iotop](https://repo.or.cz/w/iotop.git) - "A Python program with a top like UI used to show of behalf of which process is the I/O going on".
* [multitail](https://github.com/folkertvanheusden/multitail) - A command to open multiple log files in a single terminal window and monitor them in real-time.
* [neofetch](https://github.com/dylanaraps/neofetch) - Neofetch is a CLI system information tool written in BASH. Neofetch displays information about your system next to an image, your OS logo, or any ASCII file of your choice.
* [ngrep](https://github.com/jpr5/ngrep/) - (Network grep) applies the `grep` logic to the network layer, allowing to match regular expressions against data payloads of packets; it recognizes IPv4/6, TCP, UDP, ICMPv4/6, IGMP and Raw across Ethernet, PPP, SLIP, FDDI, Token Ring and null interfaces.
* [powertop](https://github.com/fenrus75/powertop) - A `top`-like utility to monitor the sources of power consumption; allows to turn on/off many components; quite useful to track possible power-related issues.
* [screenFetch](https://github.com/KittyKatt/screenFetch) - It can be used to generate one of those nifty terminal theme information + ASCII distribution logos. It auto-detects the distribution and display an ASCII version of that distribution's logo and some valuable information to the right.
* [smem](https://selenic.com/repo/smem) - Python program that reports memory usage; it can report the "proportional set size" (PSS), a meaningful representation of the amount of memory used by libraries and applications in a virtual memory system; it has built-in chart generation.
* [sysdig](https://www.sysdig.org/) - Sysdig captures system calls and events from the Linux kernel. You can save, filter, and analyze the data with our CLI or our desktop app. Think of sysdig as strace + tcpdump + htop + iftop + lsof + wireshark for your entire system.
* [tiptop](https://github.com/nschloe/tiptop) - A command-line system monitoring tool in the spirit of top, written in Python. It displays various interesting system stats and graphs them. Works on all operating systems.
* [ttyload](https://github.com/lindes/ttyload) - ttyload is a lightweight utility which is intended to offer a color-coded graph of load averages over time on Linux and other Unix-like systems. It enables a graphical tracking of system load average in a terminal (“tty“).
* [watch](http://www.linfo.org/watch.html) - Periodically runs a command in the console while temporarily clearing the screen content; it makes it easy to check differences between the output of two subsequent commands; it provides "diff" functionality to highlight the changing characters between outputs.
* [watcher](https://github.com/sethigeet/watcher) - Watches all the files present in a directory and whenever a file is changed or a file is created/deleted from the directory, it runs a specified command.
* [atuin](https://github.com/ellie/atuin) - Atuin replaces your existing shell history with a SQLite database, and records additional context for your commands. Additionally, it provides optional and fully encrypted synchronisation of your history between machines, via an Atuin server.
* [brightnessctl](https://github.com/Hummer12007/brightnessctl) - Read and control device brightness. Devices, by default, include backlight and LEDs - searched for in corresponding classes.
* [checksum.sh](https://checksum.sh/) - Checksum.sh is a simple way to download, review, and verify install scripts. If the checksum is OK the script will be printed to stdout, which can be piped to sh or elsewhere.
* [conspy](https://sourceforge.net/p/conspy/code/ci/default/tree/) - "Conspy allows a (possibly remote) user to see what is displayed on a Linux virtual console, and send keystrokes to it."
* [Devbox](https://github.com/jetpack-io/devbox) - Devbox is a command-line tool that lets you easily create isolated shells and containers by defining the list of packages required by the environment.
* [hiSHtory](https://github.com/ddworken/hishtory) - A better shell history that stores context (directory, succeeded or failed, how long it took, etc). The history is stored locally and end-to-end encrypted for syncing to other computers.
* [hstr](https://github.com/dvorka/hstr) - A tool for managing the history; powerful visual search and execution of previous commands; history editing capabilities.
* [lshw](https://ezix.org/src/pkg/lshw) - A small tool to provide detailed information on the hardware configuration of the machine. It can report exact memory configuration, firmware version, mainboard configuration, CPU version and speed, cache configuration, bus speed, etc.
* [Ntfy](https://github.com/dschep/ntfy) - Cross-platform Python utility that enables you to automatically get desktop notifications on demand or when long running commands complete. It can as well send push notifications to your phone once a particular command completes.
* [parallel](https://git.savannah.gnu.org/cgit/parallel.git) - A shell tool from GNU for executing jobs in parallel using one or more computers; it can split the input and pipe it into commands in parallel.
* [sake](https://github.com/alajmo/sake) - A command runner for local and remote hosts. You define servers and tasks in sake.yaml file and then run the tasks on the servers.
* [task-spooler](http://vicerveza.homeunix.net/~viric/soft/ts/) - A Unix batch system that can be used to add the Linux commands to the queue and execute them one after the other in numerical order (ascending order, to be precise). This can be very useful when you have to run a lots of commands, but you don't want to waste time waiting for one command to finish and run the next command. You can queue it all up and Task Spooler will execute them one by one. In the mean time, you can do other activities.
* [byobu](http://byobu.co/) - A text-based window manager and terminal multiplexer; it features enhanced profiles, convenient keybindings, configuration utilities, and toggle-able system status notifications; compatible with `screen` and `tmux`.
* [screen](https://git.savannah.gnu.org/cgit/screen.git) - Terminal multiplexer that split a physical terminal between several processes, typically interactive shells.
* [Tmate](https://github.com/tmate-io/tmate) - A fork of tmux that allows to share the terminal with other users. AFAIK, it connects to a centralized server to establish the connection. Someone may see this inconvenient for privacy issues.
* [tmux](https://github.com/tmux/tmux) - Terminal multiplexer; born to improve `screen`; client-server architecture, `vi` and `emacs` key-bindings, search in window feature and many more.
* [Zellij](https://github.com/zellij-org/zellij) - A workspace aimed at developers, ops-oriented people and anyone who loves the terminal. At its core, it is a terminal multiplexer.
* [alex](https://github.com/wooorm/alex) - Catch insensitive, inconsiderate writing, by finding gender favoring, polarizing, race related, or other unequal phrasing in text.
* [choose](https://github.com/jagprog5/choose) - NCurses based token selector with a nice terminal user interface for selecting tokens. Selecting a line from the bash history is only one of its use cases.
* [deadlink](https://github.com/nschloe/deadlink) - Parses text files for HTTP URLs and checks if they are still valid. Good to use on markdown documentation files.
* [DocToc](https://github.com/thlorenz/doctoc) - Generates table of contents for markdown files inside local git repository. Links are compatible with anchors generated by github or other sites.
* [fzf](https://github.com/junegunn/fzf) - (FuZzy Finder) is a general-purpose command-line finder with fuzzy search/filter capabilities; good integration with `vim`.
* [grc](https://github.com/pengwynn/grc) - (Generic Colouriser) can be configured to parse a given text stream and to colorize it according to regexp written in configuration files; different patterns can be associated to file types.
* [hget](https://github.com/bevacqua/hget) - A CLI to convert HTML into plain text. Can be used to fetch a site's HTML version and convert it into plain text, or to deliver plain text versions of your site dynamically.
* [huniq](https://github.com/koraa/huniq) - Command line utility to remove duplicates from the given input. Note that huniq does not sort the input, it just removes duplicates.
* [pdf-diff](https://github.com/serhack/pdf-diff) - A tool for visualizing differences between two pdf files. Mainly dedicated to editors that usually spends a lot of hours on several pdf.
* [percol](https://github.com/mooz/percol) - A Python script that "1) receives input lines from `stdin` or a file, 2) lists the input lines and waits for input that filter/select the line(s), 3) outputs the selected line(s) to `stdout`"; can be used to add interactivity to many regular shell commands.
* [pick](https://github.com/calleerlandsson/pick) - Utility that allows users to choose one option from a set of choices using an interface with fuzzy search functionality.
* [rare](https://github.com/zix99/rare) - Realtime regex-extraction and aggregation into common formats such as histograms, bar graphs, numerical summaries, tables, and more!
* [swordfish-rs](https://github.com/vim-zz/swordfish-rs) - Mimics real person behavior with realtime typing into terminal; uses a screenplay where text and timings are specified.
* [tuc](https://github.com/riquito/tuc) - You want tocuton more than just a character, perhaps using negative indexes or format the selected fields as you want... Maybe you want to cut on lines (ever needed to drop first and last line?)... That's wheretuccan help.
* [Ultimate Plumber](https://github.com/akavel/up) - Helps to interactively and incrementally explore textual data in Linux, by making it easier to quickly build complex pipelines, thanks to a fast feedback loop.
* [ack](https://github.com/beyondgrep/ack3) - A tool like `grep` optimized for programmers; written in Perl, it speeds up searches thanks to skipping non interesting directories, such as `.git`.
* [ag](https://github.com/ggreer/the_silver_searcher) - (The silver searcher) is a text search utility targeted to source code; it skips versioning systems data directories; it is inspired by `ack`, but faster.
* [paragrep](https://github.com/bmc/paragrep) - Greps regular expressions in a text file(s) and prints out the paragraphs containing those expressions; a paragraph is defined as a block of text delimited by an empty or blank line; fully customizable via command line parameters.
* [sift](https://github.com/svent/sift) - Fast and powerful open source alternative to grep; it targets flexibility and performance: can be as fast as "regular" grep and allows to specify complex expressions to find text.
* [dstask](https://github.com/naggie/dstask) - Single binary terminal-based TODO manager with git-based sync + markdown notes per task.
* [grit](https://github.com/climech/grit) - A multitree-based personal task manager.
* [iKog](https://sites.google.com/site/henspace/ikog/) - A fully-featured task manager incapsulated within a Python script (just carry around the script to retain all the TODOs). When the script is run, a Python shell is opened, where task-related commands can be entered (ADD, LIST, etc.); a pity that commands are uppercase, which requires the annoying use of the Shift key.
* [TaskWarrior](https://github.com/GothenburgBitFactory/taskwarrior) - Todo manager with advanced features; dedicated synchronization server available; many plugins and related tools; healthy software project.
* [todo.txt](https://github.com/todotxt/todo.txt-cli) - Minimalistic todo manager that uses a simple plain text file to keep track of items; implemented as a shell script.
* [todolist](http://todolist.site/) - A minimal clone of [Wunderlist](https://www.wunderlist.com/), with 30% of its features. GTD oriented. It stores the task list in a hidden JSON file in the home directory, making it easy to backup or share them.
* [TuDu](https://github.com/meskio/tudu) - A comand line interface to manage hierarchical todos. Each task has a title, a long text description, a deadline (tudu warns you when the date is close), and a scheduled date. There are categories and priorities.
* [xit](https://github.com/jotaen/xit) - A plain-text file format for todos and check lists. So, not really a program, but I believe it is worth to list :-)
* [Yokadi](https://github.com/agateau/yokadi) - Project-based todo manager: every task must be specified with a mandatory project indication. Tasks are stored within a SQLlite DB. Written in Python.
* [dasht](https://github.com/sunaku/dasht) - Search API docs offline, in your terminal or browser.
* [dateutils](https://github.com/hroptatyr/dateutils) - Dateutils are a bunch of tools that revolve around fiddling with dates and times in the command line with a strong focus on use cases that arise when dealing with large amounts of financial data.
* [GoTTY](https://github.com/yudai/gotty) - A program to turn CLI tools into web applications; basically, it runs a command and starts a server so that the output can be displayed in a web page.
* [powerline](https://github.com/powerline/powerline) - Powerline is a statusline plugin for vim, and provides statuslines and prompts for several other applications, including zsh, bash, tmux, IPython, Awesome and Qtile.
* [termsaver](http://termsaver.brunobraga.net/) - termsaver to enjoy fancy ASCII screensavers like matrix, clock, starwars, and a couple of not-safe-for-work screens.
* [The Fuck](https://github.com/nvbn/thefuck) - Magnificent app which corrects your previous console command (although I would be extra-cautious at making a program to automatically infer what I was intending).
* [welcome.sh](https://github.com/G2-Games/welcome.sh) - A nice little script that greets you on every launch, with some helpful (and customizable!) information.
* [yank](https://github.com/mptre/yank) - Reads input from stdin and display a selection interface that allows a field to be selected and copied to the clipboard.
* [Bazaar](http://bazaar.canonical.com/en/) - Multiplatform version control system supporting diffferent workflows; it is part of the GNU Project, and it is free software sponsored by Canonical.
* [fossil](https://github.com/drhsqlite/fossil-mirror) - A simple, high-reliability, distributed software configuration management system with these advanced features: project management, built-in web interface, friendly self-hosting, simple networking, all-in-one standalone executable, and much more.
* [SnowFS](https://github.com/snowtrack/snowfs) - A high-performance application and node library for binary file versioning, initially made for the graphics industry.
* [cacaview](https://github.com/cacalabs/libcaca) - A library and a program to display JPG, PNG, GIF or BMP images in the terminal using ASCII characters.
* [feh](https://git.finalrewind.org/feh) - "X11 image viewer aimed mostly at console users" (cit.); with no fancy GUI, it is controlled via commandline arguments and configurable key/mouse actions.
* [mdt](https://github.com/robolab-pavia/mdt) - MarkDown in the Terminal. A markdown viewer with themes defined by JSON files and interactive mode to open links and word-wrapping adaptable to the terminal width.
* [mplayer](http://www.mplayerhq.hu/design7/news.html) - One of the most popular video/audio players around; plays most audio and video formats (using ASCII characters) in the shell; provides a GUI for graphical visualization.
* [mpv](https://github.com/mpv-player/mpv/) - A cross-platform media player with many features such as frame timing, MKV chapters and subtitles. It is a responsive video player with minimal layout customizable with themes. A good alternative media player to VLC since it can handle almost all the media formats as VLC, but using much less resources.
* [Newsbeuter](http://newsbeuter.org/) - "The Mutt of RSS Feed Readers": Newsbeuter is an open-source RSS/Atom feed reader for text terminals. Has great configurability and vast number of features, making it a slick and fast feed reader that can be completely controlled via keyboard.
* [TerminalImageViewer](https://github.com/stefanhaustein/TerminalImageViewer) - Small C++ program to display images in a (modern) terminal using RGB ANSI codes and unicode block graphics characters.
* [Amfora](https://github.com/makeworld-the-better-one/amfora) - Amfora aims to be the best looking Gemini client with the most features. It does not support Gopher or other non-Web protocols.
* [Bombadillo](https://tildegit.org/sloum/Bombadillo) - A non-web browser, designed for a growing list of protocols operating outside of the web. Currently supports Gemini, Finger and Gopher.
* [browsh](https://github.com/browsh-org/browsh) - It renders anything that a modern browser can; HTML5, CSS3, JS, video and even WebGL. Its main purpose is to be run on a remote server and accessed via SSH/Mosh or the in-browser HTML service in order to significantly reduce bandwidth and thus both increase browsing speeds and decrease bandwidth costs.
* [Elinks](https://repo.or.cz/w/elinks.git) - "Advanced and well-established feature-rich text mode web browser"; started as a fork of `Links`; it supports background download with queueing, some support from CSS, text box editing in external text editor.
* [min](https://github.com/a-h/min) - A Gemini browser with Vim style keyboard navigation, client certificate support and history and bookmarks saved in TSV files.
* [Romulus](https://github.com/LukeEmmet/Romulus) - A cross platform Gemini console client in C# with a simple user interface, interactive menus and mouse support.
* [Telescope](https://github.com/omar-polo/telescope) - Gemini client with UI that is strongly inspired from Emacs and W3M.
* [w3m](https://sourceforge.net/projects/w3m/) - A text-based web browser as well as a pager like `less`; it can be used as a text formatting tool which typesets HTML into plain text.
* [http-tanker](https://github.com/PierreKieffer/http-tanker) - Terminal application used for API testing; easily create, manage and execute http requests from the terminal.
* [iola](https://github.com/pvarentsov/iola) - A command-line socket client with REST API. It helps to work with socket servers using your favorite REST client.
* [Metalsmith](https://github.com/metalsmith/metalsmith) - An extremely simple static site generator; all functionalities are provided by plugins that can be combined and chained; written and extendable in Javascript.
* [nanoc](https://github.com/nanoc/nanoc) - Static site generator written in Ruby; extremely powerful and customizable; support many formats to generate HTML content.
* [pageres-cli](https://github.com/sindresorhus/pageres-cli) - Capture screenshots of websites in various resolutions. A good way to make sure your websites are responsive.
* [Tsung](https://github.com/processone/tsung) - A multi-protocol distributed load testing tool that can be used to stress HTTP, WebDAV, SOAP, PostgreSQL, MySQL, LDAP and Jabber/XMPP servers.
[The Art of Command Line](https://github.com/jlevy/the-art-of-command-line) - A wonderful summary from Joshua Levy regarding command line (Bash in particular) tools, programs, tips and tricks; contains many pointers to resources and repositories, in the form of "to do this you must know that", which gives great pointers but requires further investigation from different sources; translated in many languages.
[Inconsolation blog](https://inconsolation.wordpress.com/) - "Adventures with lightweight and minimalist software for Linux": reviews of many command-line programs; many programs reviewed (400+, at least), with screenshots and animated GIFs; the style of presentation is ironic and funny, but requires some effort to figure out the real contribution of a program.
[A little collection of cool unix terminal/console/curses tools](https://kkovacs.eu/cool-but-obscure-unix-tools) - "Some are little-known, some are just too useful to miss, some are pure obscure..." from Kristof Kovacs; nice list with screenshot; mostly oriented to system administration; unfortunately there are no clickable links.
[Adam Harris awesome CLI apps](https://github.com/aharris88/awesome-cli-apps) - Nice list of tools; somehow too much Javascript/Node.js-centered for my tastes.
[awesome-ttygames](https://ligurio.github.io/awesome-ttygames/) - Large awesome list of terminal games. The collection is maintained in a YAML format. Each item contains a description and an optional screencast.
