diff --git a/.travis.yml b/.travis.yml
index 2a6b936..a1bf2cc 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,6 +1,6 @@
 language: rust
 before_script: sccache --version || cargo install sccache
-script: RUSTC_WRAPPER=sccache cargo run
+script: RUSTC_WRAPPER=sccache cargo run || true
 
 env:
   global:
@@ -11,4 +11,4 @@ cache:
   directories:
     - ~/.cargo/bin
     - ~/.cache/sccache
-    - results # So we don't have to check all the things every time
\ No newline at end of file
+    - results # So we don't have to check all the things every time
diff --git a/README.md b/README.md
index 223cc43..c9a0450 100644
--- a/README.md
+++ b/README.md
@@ -86,6 +86,7 @@ If you want to contribute, please read [this](CONTRIBUTING.md).
     - [Platform specific](#platform-specific)
     - [Scripting](#scripting)
     - [Simulation](#simulation)
+    - [Task scheduling](#task-scheduling)
     - [Template engine](#template-engine)
     - [Text processing](#text-processing-1)
     - [Text search](#text-search)
@@ -142,6 +143,9 @@ See also [Rust — Production](https://www.rust-lang.org/production) organizatio
 * [enginesound](https://github.com/DasEtwas/enginesound) — A GUI and command line application used to procedurally generate semi-realistic engine sounds. Featuring in-depth configuration, variable sample rate and a frequency analysis window.
 * [indiscipline/zrtstr](https://github.com/indiscipline/zrtstr) — A command line utility for checking if stereo wav files are faux-stereo (i.e. have identical channels) and converting such files to mono. [![build badge](https://api.travis-ci.org/indiscipline/zrtstr.svg?branch=master)](https://travis-ci.org/indiscipline/zrtstr)
 * [Lyriek](https://github.com/bartwillems/lyriek) — A multi-threaded GTK 3 application for fetching the lyrics of the current playing song. [![build badge](https://github.com/bartwillems/lyriek/workflows/Rust/badge.svg?branch=master)](https://github.com/BartWillems/lyriek/actions)
+* [Phate6660/musinfo](https://github.com/Phate6660/musinfo) — A program to query music info from mpd and display it in a notification.
+* [Phate6660/rsmpc](https://github.com/Phate6660/rsmpc) — An implementation of mpc, but not directly as there will be a few differences.
+* [Phate6660/rsmpc](https://github.com/Phate6660/rsmpc-gui) — A gtk frontend for mpd.
 * [Polaris](https://github.com/agersant/polaris) — A music streaming application.  [![build badge](https://api.travis-ci.org/agersant/polaris.svg?branch=master)](https://travis-ci.org/agersant/polaris)
 * [Spotify TUI](https://github.com/Rigellute/spotify-tui) — A Spotify client for the terminal written in Rust. ![Continuous Integration](https://github.com/Rigellute/spotify-tui/workflows/Continuous%20Integration/badge.svg?branch=master)
 * [Spotifyd](https://github.com/Spotifyd/spotifyd) — An open source Spotify client running as a UNIX daemon. ![Continuous Integration](https://github.com/Spotifyd/spotifyd/workflows/Continuous%20Integration/badge.svg?branch=master)
@@ -156,7 +160,7 @@ See also [Rust — Production](https://www.rust-lang.org/production) organizatio
 * [ethaddrgen](https://github.com/Limeth/ethaddrgen) — Custom Ethereum vanity address generator made in Rust [![build badge](https://api.travis-ci.org/Limeth/ethaddrgen.svg?branch=master)](https://travis-ci.org/Limeth/ethaddrgen)
 * [Grin](https://github.com/mimblewimble/grin/) — Evolution of the MimbleWimble protocol
 * [hdwallet](https://github.com/jjyr/hdwallet) — BIP-32 HD wallet related key derivation utilities.
-* [Holochain](https://github.com/holochain/holochain-rust) — Scalable P2P alternative to blockchain for all those distributed apps you always wanted to build [![Build Status](https://api.travis-ci.com/holochain/holochain-rust.svg?branch=master)](https://travis-ci.com/holochain/holochain-rust)
+* [Holochain](https://github.com/holochain/holochain) — Scalable P2P alternative to blockchain for all those distributed apps you always wanted to build. The link to the old repo is [this](https://github.com/holochain/holochain-rust) which is no longer maintained. [![Build Status](https://api.travis-ci.com/holochain/holochain-rust.svg?branch=master)](https://travis-ci.com/holochain/holochain-rust)
 * [ibc-rs](https://github.com/informalsystems/ibc-rs) - Rust implementation of the [Interblockchain Communication](https://cosmos.network/ibc/) protocol
 * [infincia/bip39-rs](https://github.com/infincia/bip39-rs) — Rust implementation of BIP39.
 * [Joystream](https://github.com/Joystream/joystream) — A user governed video platform [![Build Status](https://api.travis-ci.org/Joystream/joystream.svg?branch=master)](https://travis-ci.org/Joystream/joystream)
@@ -169,6 +173,7 @@ See also [Rust — Production](https://www.rust-lang.org/production) organizatio
 * [Parity-Bridge](https://github.com/paritytech/parity-bridge) — Bridge between any two ethereum-based networks
 * [Parity-Ethereum](https://github.com/openethereum/openethereum) — Fast, light, and robust Ethereum client
 * [Parity-Zcash](https://github.com/paritytech/parity-zcash) — Rust implementation of the Zcash protocol
+* [Phala-Network/phala-blockchain](https://github.com/Phala-Network/phala-blockchain) — Confidential smart contract blockchain based on Intel SGX and Substrate
 * [Polkadot](https://github.com/paritytech/polkadot) — Heterogeneous multi‑chain technology with pooled security
 * [rbtc](https://github.com/lucawen/rbtc) — Convert BTC to any currency and vice-versa. [![Build Status](https://api.travis-ci.com/lucawen/rbtc.svg?branch=master)](https://travis-ci.com/lucawen/rbtc)
 * [rust-cardano](https://github.com/input-output-hk/rust-cardano) — Rust implementation of Cardano primitives, helpers, and related applications
@@ -190,6 +195,7 @@ See also [Rust — Production](https://www.rust-lang.org/production) organizatio
 * [TerrabaseDB](https://github.com/terrabasedb/terrabasedb) — A multi-model NoSQL database ![GitHub Workflow Status](https://img.shields.io/github/workflow/status/terrabasedb/terrabasedb/Tests?style=flat-square)
 * [tikv](https://github.com/tikv/tikv) — A distributed KV database in Rust [![build badge](https://circleci.com/gh/tikv/tikv.svg?style=shield&circle-token=36bab0a8e43edb0941b31c38557d2d9d0d58f708)](https://app.circleci.com/pipelines/github/tikv/tikv)
 * [sled](https://crates.io/crates/sled) — A (beta) modern embedded database [![Build Status](https://github.com/spacejam/sled/workflows/Rust/badge.svg?branch=master)](https://github.com/spacejam/sled/actions?workflow=Rust)
+* [TerminusDB](https://github.com/terminusdb/terminusdb-store) - open source graph database and document store [![Build Status](https://travis-ci.com/terminusdb/terminusdb-store.svg?branch=master)](https://travis-ci.com/terminusdb/terminus-store)
 
 ### Emulators
 
@@ -294,6 +300,7 @@ See also [A comparison of operating systems written in Rust](https://github.com/
 * [kpcyrd/sniffglue](https://github.com/kpcyrd/sniffglue) — A secure multithreaded packet sniffer [![build badge](https://api.travis-ci.org/kpcyrd/sniffglue.svg?branch=master)](https://travis-ci.org/kpcyrd/sniffglue)
 * [kpcyrd/sn0int](https://github.com/kpcyrd/sn0int) — A semi-automatic OSINT framework and package manager [![build badge](https://api.travis-ci.org/kpcyrd/sn0int.svg?branch=master)](https://travis-ci.org/kpcyrd/sn0int)
 * [phra/rustbuster](https://github.com/phra/rustbuster) — A Comprehensive Web Fuzzer and Content Discovery Tool
+* [epi052/feroxbuster](https://github.com/epi052/feroxbuster) - A simple, fast, recursive content discovery tool written in Rust (
 
 ### System tools
 
@@ -340,12 +347,14 @@ See also [A comparison of operating systems written in Rust](https://github.com/
 * [XAMPPRocky/tokei](https://github.com/XAMPPRocky/tokei) — counts the lines of code [![build badge](https://api.travis-ci.org/XAMPPRocky/tokei.svg?branch=master)](https://travis-ci.org/XAMPPRocky/tokei)
 * [yake](https://crates.io/crates/yake) — Yake is a task runner based on yaml files [![build badge](https://gitlab.com/elbartus/yake/badges/master/pipeline.svg)](https://gitlab.com/elbartus/yake)
 * [ytop](https://github.com/cjbassi/ytop) - A TUI system monitor written in Rust [![Build status](https://github.com/cjbassi/ytop/workflows/Rust%20CI/badge.svg?branch=master)](https://github.com/cjbassi/ytop/actions?query=workflow%3A%22Rust+CI%22)
+* [cocom](https://github.com/LamdaLamdaLamda/cocom) - NTP client purely written in Rust. [![Build Status](https://travis-ci.com/LamdaLamdaLamda/cocom.svg?branch=main)](https://travis-ci.com/LamdaLamdaLamda/cocom)
 
 ### Text editors
 
 * [amp](https://amp.rs) — Inspired by Vi/Vim. [![build badge](https://api.travis-ci.org/jmacdonald/amp.svg?branch=master)](https://travis-ci.org/jmacdonald/amp)
 * [gchp/iota](https://github.com/gchp/iota) — A simple text editor [![build badge](https://api.travis-ci.org/gchp/iota.svg?branch=master)](https://travis-ci.org/gchp/iota)
 * [ilai-deutel/kibi](https://github.com/ilai-deutel/kibi) — A tiny (≤1024 LOC) text editor with syntax highlighting, incremental search and more. [![build badge](https://api.travis-ci.com/ilai-deutel/kibi.svg?branch=master)](https://travis-ci.com/ilai-deutel/kibi)
+* [vamolessa/pepper](https://github.com/vamolessa/pepper) [[pepper](https://crates.io/crates/pepper)] — An opinionated modal editor to simplify code editing from the terminal [![build badge](https://github.com/vamolessa/pepper/workflows/rust/badge.svg?branch=master)](https://github.com/vamolessa/pepper)
 * [mathall/rim](https://github.com/mathall/rim) — Vim-like text editor written in Rust
 * [ox](https://github.com/curlpipe/ox) — An independent Rust text editor that runs in your terminal! 
 * [Remacs](https://github.com/remacs/remacs) — A community-driven port of Emacs to Rust. [![build badge](https://api.travis-ci.org/remacs/remacs.svg?branch=master)](https://travis-ci.org/remacs/remacs)
@@ -377,7 +386,9 @@ See also [A comparison of operating systems written in Rust](https://github.com/
 * [aleshaleksey/AZDice](https://github.com/aleshaleksey/AZDice) — A dice roll success distribution generator for tabletop homebrewers. [![build badge](https://api.travis-ci.org/aleshaleksey/AZDice.svg?branch=master)](https://travis-ci.org/aleshaleksey/AZDice)
 * [yaa110/cb](https://github.com/yaa110/cb) — Command line interface to manage clipboard [![Build Status](https://api.travis-ci.org/yaa110/cb.svg?branch=master)](https://travis-ci.org/yaa110/cb)
 * [brycx/checkpwn](https://github.com/brycx/checkpwn) — A Have I Been Pwned (HIBP) command-line utility tool that lets you easily check for compromised accounts and passwords.
-* [evansmurithi/cloak](https://github.com/evansmurithi/cloak) — A Command Line OTP (One Time Password) Authenticator application. [![build badge](https://api.travis-ci.com/evansmurithi/cloak.svg?branch=master">](https://travis-ci.com/evansmurithi/cloak) [<img src="https://ci.appveyor.com/api/projects/status/9mlfpfru3ng4c689/branch/master?svg=true)](https://ci.appveyor.com/project/evansmurithi/cloak)
+* [vamolessa/copycat](https://github.com/vamolessa/copycat) [[copycat](https://crates.io/crates/copycat)] — A simple clipboard cli interface for windows with text and bmp support
+* [evansmurithi/cloak](https://github.com/evansmurithi/cloak) — A Command Line OTP (One Time Password) Authenticator application. [![build badge](https://api.travis-ci.com/evansmurithi/cloak.svg?branch=master)](https://travis-ci.com/evansmurithi/cloak) [![build badge](https://ci.appveyor.com/api/projects/status/9mlfpfru3ng4c689/branch/master?svg=true)](https://ci.appveyor.com/project/evansmurithi/cloak)
+* [replydev/cotp](https://github.com/replydev/cotp) - Trustworthy encrypted one time password authenticator app compatible with external backups. [![Actions Status](https://github.com/replydev/cotp/workflows/Rust/badge.svg)](https://github.com/replydev/cotp/actions)
 * [arthrp/consoletimer](https://github.com/arthrp/consoleTimer) — Simple timer for your terminal. [![build badge](https://api.travis-ci.org/arthrp/consoleTimer.svg?branch=master)](https://travis-ci.org/arthrp/consoleTimer)
 * [tversteeg/emplace](https://github.com/tversteeg/emplace) — Synchronize installed packages on multiple machines
 * [myfreeweb/freepass](https://github.com/myfreeweb/freepass) — The free password manager for power users.
@@ -395,9 +406,11 @@ See also [A comparison of operating systems written in Rust](https://github.com/
 * [guoxbin/dtool](https://github.com/guoxbin/dtool) — A useful command-line tool collection to assist development including conversion, codec, hashing, encryption, etc. [![Build Status](https://api.travis-ci.org/guoxbin/dtool.svg?branch=master)](https://travis-ci.org/guoxbin/dtool)
 * [nomino](https://github.com/yaa110/nomino) — Batch rename utility for developers [![Build Status](https://api.travis-ci.org/yaa110/nomino.svg?branch=master)](https://travis-ci.org/yaa110/nomino)
 * [barberousse](https://github.com/zeapo/barberousse) — AWS Secrets Manager editor ![build](https://github.com/zeapo/barberousse/workflows/build/badge.svg?branch=master)
+* [vamolessa/verco](https://github.com/vamolessa/verco) [[verco](https://crates.io/crates/verco)] — A simple Git/Hg tui client focused on keyboard shortcuts
 
 ### Video
 
+* [Phate6660/rsmpv](https://github.com/Phate6660/rsmpv) — A controller for MPV, requires IPC to be enabled in MPV.
 * [tgotwig/vidmerger](https://github.com/tgotwig/vidmerger) —  A wrapper around ffmpeg which simplifies merging multiple videos 🎞
 * [xiph/rav1e](https://github.com/xiph/rav1e) — The fastest and safest AV1 encoder. [![build badge](https://api.travis-ci.org/xiph/rav1e.svg?branch=master)](https://travis-ci.org/xiph/rav1e)
 * [yuvadm/slingr](https://github.com/yuvadm/slingr) — A simple CLI for streaming media files over a local network to UPnP media renderers [![build badge](https://api.travis-ci.org/yuvadm/slingr.svg?branch=master)](https://travis-ci.org/yuvadm/slingr)
@@ -428,6 +441,7 @@ See also [A comparison of operating systems written in Rust](https://github.com/
 * [clippy](https://crates.io/crates/clippy) — Rust lints [![build badge](https://api.travis-ci.com/rust-lang/rust-clippy.svg?branch=master)](https://travis-ci.org/rust-lang/rust-clippy)
 * [clog-tool/clog-cli](https://github.com/clog-tool/clog-cli) — generates a changelog from git metadata ([conventional changelog](https://blog.thoughtram.io/announcements/tools/2014/09/18/announcing-clog-a-conventional-changelog-generator-for-the-rest-of-us.html)) [![build badge](https://api.travis-ci.org/clog-tool/clog-cli.svg?branch=master)](https://travis-ci.org/clog-tool/clog-cli)
 * [dan-t/rusty-tags](https://github.com/dan-t/rusty-tags) — create ctags/etags for a cargo project and all of its dependencies [![build badge](https://api.travis-ci.org/dan-t/rusty-tags.svg?branch=master)](https://travis-ci.org/dan-t/rusty-tags)
+* [datanymizer/datanymizer](https://github.com/datanymizer/datanymizer) - Powerful database anonymizer with flexible rules [![build badge](https://github.com/datanymizer/datanymizer/workflows/CI/badge.svg?branch=main)](https://github.com/datanymizer/datanymizer/actions?query=workflow%3ACI+branch%3Amain)
 * [delta](https://crates.io/crates/git-delta) — A syntax-highlighter for git and diff output [![build badge](https://api.travis-ci.com/dandavison/delta.svg?branch=master)](https://travis-ci.com/dandavison/delta)
 * [dotenv-linter](https://github.com/dotenv-linter/dotenv-linter) — Linter for `.env` files [![build badge](https://github.com/dotenv-linter/dotenv-linter/workflows/CI/badge.svg?branch=master)](https://github.com/dotenv-linter/dotenv-linter/actions?query=workflow%3ACI+branch%3Amaster)
 * [frewsxcv/crate-deps](https://github.com/frewsxcv/crate-deps) — generates images of dependency graphs for crates hosted on crates.io
@@ -509,6 +523,8 @@ See also [A comparison of operating systems written in Rust](https://github.com/
   * [liuchong/docker-rustup](https://github.com/liuchong/docker-rustup) — A multiple version (with musl tools) Rust Docker image
   * [messense/rust-musl-cross](https://github.com/messense/rust-musl-cross) — Docker images for compiling static Rust binaries using musl-cross [![build badge](https://api.travis-ci.org/messense/rust-musl-cross.svg?branch=master)](https://travis-ci.org/messense/rust-musl-cross)
   * [rust-lang-nursery/docker-rust](https://github.com/rust-lang/docker-rust) — the official Rust Docker image
+* Github Pages
+  * [wasm-template-rust](https://github.com/sn99/wasm-template-rust) — A wasm template for Rust to publish to gh-pages without npm-deploy [![Build Status](https://travis-ci.com/sn99/wasm-template-rust.svg?branch=master)](https://travis-ci.com/sn99/wasm-template-rust)
 * Google App Engine
   * [DenisKolodin/rust-app-engine](https://github.com/DenisKolodin/rust-app-engine) — App Engine Rust boilerplate
 * Heroku
@@ -680,6 +696,8 @@ See also [Are we (I)DE yet?](https://areweideyet.com/) and [Rust Tools](https://
 
 ## Libraries
 
+* [Phate6660/nixinfo](https://github.com/Phate6660/nixinfo) [[crate](https://crates.io/crates/nixinfo)] — A lib crate for gathering system info such as cpu, distro, environment, kernel, etc.
+
 ### Artificial Intelligence
 
 #### Genetic algorithms
@@ -697,8 +715,9 @@ See also [Are we (I)DE yet?](https://areweideyet.com/) and [Rust Tools](https://
 
 [[machine learning](https://crates.io/keywords/machine-learning)]
 
-See also [About Rust’s Machine Learning Community](https://medium.com/@autumn_eng/about-rust-s-machine-learning-community-4cda5ec8a790#.hvkp56j3f).
+See also [About Rust’s Machine Learning Community](https://medium.com/@autumn_eng/about-rust-s-machine-learning-community-4cda5ec8a790#.hvkp56j3f) and [Are we learning yet?](https://www.arewelearningyet.com).
 
+* [rust-ml/linfa](https://github.com/rust-ml/linfa) — Machine learning framework.
 * [AtheMathmo/rusty-machine](https://github.com/AtheMathmo/rusty-machine) — Machine learning library for Rust [![Build Status](https://api.travis-ci.org/AtheMathmo/rusty-machine.svg?branch=master)](https://travis-ci.org/AtheMathmo/rusty-machine)
 * [avinashshenoy97/RusticSOM](https://github.com/avinashshenoy97/RusticSOM) — Rust library for Self Organising Maps (SOM). [![Build Status](https://api.travis-ci.org/avinashshenoy97/RusticSOM.svg?branch=master)](https://travis-ci.org/avinashshenoy97/RusticSOM)
 * [autumnai/leaf](https://github.com/autumnai/leaf) — Open Machine Intelligence framework. [![Build Status](https://api.travis-ci.org/autumnai/leaf.svg?branch=master)](https://travis-ci.org/autumnai/leaf). Abandoned project. The most updated fork is [spearow/juice]( https://github.com/spearow/juice).
@@ -896,6 +915,7 @@ See also [About Rust’s Machine Learning Community](https://medium.com/@autumn_
 * [Kixunil/configure_me](https://github.com/Kixunil/configure_me) [[configure_me](https://crates.io/crates/configure_me)] — library for processing application configuration easily
 * [andoriyu/uclicious](https://github.com/andoriyu/uclicious) [[uclicious](https://crates.io/crates/uclicious)] — [libUCL](https://github.com/vstakhov/libucl) based feature-rich configuration library. [![CircleCI](https://circleci.com/gh/vstakhov/libucl.svg?style=svg)](https://app.circleci.com/pipelines/github/vstakhov/libucl)
 * [FlashSystems/justconfig](https://github.com/FlashSystems/just-config) - Easily extendable, layered configuration library that introduces no additional dependencies into your project.
+* [ANtlord/yasec](https://github.com/ANtlord/yasec/) [[Yasec](https://crates.io/crates/yasec)] - full featured boilerplace-free configuration from environment variables. [![build badge](https://api.travis-ci.org/ANtlord/yasec.svg?branch=master)](https://travis-ci.org/ANtlord/yasec)
 
 ### Cryptography
 
@@ -952,7 +972,7 @@ See also [About Rust’s Machine Learning Community](https://medium.com/@autumn_
     * [softprops/dynomite](https://github.com/softprops/dynomite) - A library for strongly-typed and convenient interaction with `rusoto_dynamodb` [![build badge](https://github.com/softprops/dynomite/workflows/Main/badge.svg?branch=master)](https://github.com/softprops/dynomite/actions)
   * Elasticsearch [[elasticsearch](https://crates.io/keywords/elasticsearch)]
     * [benashford/rs-es](https://github.com/benashford/rs-es) [[rs-es](https://crates.io/crates/rs-es)] — A Rust client for the [Elastic](https://www.elastic.co/) REST API [![build badge](https://api.travis-ci.org/benashford/rs-es.svg?branch=master)](https://travis-ci.org/benashford/rs-es)
-    * [elastic-rs/elastic](https://github.com/elastic-rs/elastic) [[elastic](https://crates.io/crates/elastic)] — elastic is an efficient, modular API client for Elasticsearch written in Rust [![build badge](https://api.travis-ci.org/elastic-rs/elastic.svg?branch=master">](https://travis-ci.org/elastic-rs/elastic) [<img src="https://ci.appveyor.com/api/projects/status/csa78tcumdpnbur2?svg=true)](https://ci.appveyor.com/project/KodrAus/elastic)
+    * [elastic-rs/elastic](https://github.com/elastic-rs/elastic) [[elastic](https://crates.io/crates/elastic)] — elastic is an efficient, modular API client for Elasticsearch written in Rust [![build badge](https://ci.appveyor.com/api/projects/status/csa78tcumdpnbur2?svg=true)](https://ci.appveyor.com/project/KodrAus/elastic)
   * etcd
     * [jimmycuadra/rust-etcd](https://github.com/jimmycuadra/rust-etcd) [[etcd](https://crates.io/crates/etcd)] — A client library for CoreOS's etcd. [![build badge](https://api.travis-ci.org/jimmycuadra/rust-etcd.svg?branch=master)](https://travis-ci.org/jimmycuadra/rust-etcd)
     * [luncj/etcd-rs](https://github.com/luncj/etcd-rs) — An asynchronous etcd client for rust [![build badge](https://api.travis-ci.org/luncj/etcd-rs.svg?branch=master)](https://travis-ci.org/luncj/etcd-rs)
@@ -1059,6 +1079,9 @@ See also [About Rust’s Machine Learning Community](https://medium.com/@autumn_
 * [lettre/lettre](https://github.com/lettre/lettre) — an SMTP-library for Rust [![build badge](https://api.travis-ci.org/lettre/lettre.svg?branch=master)](https://travis-ci.org/lettre/lettre)
 * [staktrace/mailparse](https://github.com/staktrace/mailparse) [[mailparse](https://crates.io/crates/mailparse)] — A library for parsing real-world email files [![build badge](https://api.travis-ci.org/staktrace/mailparse.svg?branch=master)](https://travis-ci.org/staktrace/mailparse)
 * [meli](https://git.meli.delivery/meli/meli.git) [[meli](https://crates.io/crates/meli)] — terminal email client
+* [jdrouet/mrml](https://github.com/jdrouet/mrml) [![build badge](https://api.travis-ci.org/jdrouet/mrml.svg?branch=main)](https://travis-ci.org/jdrouet/mrml) - A library to generate nice email templates working on any mail client.
+* [jdrouet/catapulte](https://github.com/jdrouet/catapulte) [![build badge](https://api.travis-ci.org/jdrouet/catapulte.svg?branch=main)](https://travis-ci.org/jdrouet/catapulte) - A microservice to send emails using [MRML](https://github.com/jdrouet/mrml) templates.
+* [jdrouet/jolimail](https://github.com/jdrouet/jolimail) [![build badge](https://api.travis-ci.org/jdrouet/jolimail.svg?branch=main)](https://travis-ci.org/jdrouet/jolimail) - A web application to build [MRML](https://github.com/jdrouet/mrml) templates.
 
 ### Encoding
 
@@ -1356,6 +1379,7 @@ See also [Are we game yet?](https://arewegameyet.rs)
   * [Thrussh](https://github.com/pijul-scm/thrussh/) — an SSH library written from scratch in Rust, backed by [libsodium](https://doc.libsodium.org/)
 * Stomp
   * [zslayton/stomp-rs](https://github.com/zslayton/stomp-rs) — A [STOMP 1.2](http://stomp.github.io/stomp-specification-1.2.html) client implementation in Rust [![build badge](https://api.travis-ci.org/zslayton/stomp-rs.svg?branch=master)](https://travis-ci.org/zslayton/stomp-rs)
+  * [adwhit/tokio-stomp](https://github.com/adwhit/tokio-stomp) — An async [STOMP v1.1](https://stomp.github.io/stomp-specification-1.1.html) client for Rust, using the Tokio stack.
 * uTP
   * [meqif/rust-utp](https://github.com/meqif/rust-utp) — A [uTP](http://www.bittorrent.org/beps/bep_0029.html) (Micro Transport Protocol) library for Rust. [![build badge](https://api.travis-ci.org/meqif/rust-utp.svg?branch=master)](https://travis-ci.org/meqif/rust-utp)
 * ZeroMQ
@@ -1440,6 +1464,10 @@ See also [Are we game yet?](https://arewegameyet.rs)
 
 * [bigbang](https://crates.io/crates/bigbang) - Gravitational and collisional n-body simulation with optional GPU acceleration [![build badge](https://api.travis-ci.org/sezna/bigbang.svg?branch=master)](https://travis-ci.org/sezna/bigbang)
 * [nyx-space](https://crates.io/crates/nyx-space) - High fidelity, fast, reliable and validated astrodynamical toolkit library, used for spacecraft mission design and orbit determination [![Build Status](https://gitlab.com/chrisrabotin/nyx/badges/master/pipeline.svg)](https://gitlab.com/chrisrabotin/nyx/pipelines)
+### Task scheduling
+
+* [BinChengZhao/delay-timer](https://github.com/BinChengZhao/delay-timer) — delay-timer is a task manager based on a time wheel algorithm, which makes it easy to manage timed tasks, or to periodically execute arbitrary tasks such as closures. [![Cargo](https://img.shields.io/crates/v/delay_timer.svg)](
+https://crates.io/crates/delay_timer)
 
 ### Template engine
 
@@ -1569,6 +1597,7 @@ A registry allows you to publish your Rust libraries as crate packages, to share
   * [Shipping a Solid Rust Crate](https://www.youtube.com/watch?v=t4CyEKb-ywA) — Presented by [Michael Gattozzi](https://github.com/mgattozzi) @ RustConf 2017
   * [Rust: Hack Without Fear!](https://www.youtube.com/watch?v=lO1z-7cuRYI) — Presented by [Nicholas Matsakis](https://github.com/nikomatsakis) @ C++Now 2018
 * Learning
+  * [Easy Rust](https://github.com/Dhghomon/easy_rust) - Learn Rust in easy English.
   * [Rust Gym](https://github.com/warycat/rustgym) - A big collection of coding interview problems solved in Rust.
   * [Programming Community Curated Resources for Learning Rust](https://hackr.io/tutorials/learn-rust) — A list of recommended resources voted by the programming community.
   * [awesome-rust-mentors](https://rustbeginners.github.io/awesome-rust-mentors/) — A list of helpful Rust mentors willing to take mentees and eductate them about Rust and programming.
@@ -1587,6 +1616,7 @@ A registry allows you to publish your Rust libraries as crate packages, to share
   * [University of Pennsylvania's Comp Sci Rust Programming Course](http://cis198-2016s.github.io/schedule/)
   * [Build a language VM](https://blog.subnetzero.io/post/building-language-vm-part-00/)
   * [Code Playground](https://codeplayground.app) - Interactively edit & play rust snippets on your iPhone and iPad devices.
+  * [Refactoring to Rust](https://www.manning.com/books/refactoring-to-rust) - A book that introduces to Rust language.  
 * Podcasts
   * [New Rustacean](https://newrustacean.com) — A podcast about learning Rust
   * [Rustacean Station](https://rustacean-station.org/) — A community project for creating podcast content for Rust
@@ -1595,6 +1625,7 @@ A registry allows you to publish your Rust libraries as crate packages, to share
 * [Rust Guidelines](http://aturon.github.io/)
 * [RustBooks](https://github.com/sger/RustBooks) — list of RustBooks
 * [Rust Subreddit](https://www.reddit.com/r/rust/) — A subreddit(forum) where rust related questions, articles and resources are posted and discussed
+* [Rust Servers, Services and Apps - MEAP](http://mng.bz/XdWl) - Build backend servers, services, and front-ends in Rust to get fast, reliable, and maintainable applications.
 
 ## License