diff --git a/README.md b/README.md
index 504743a..c6923d0 100644
--- a/README.md
+++ b/README.md
@@ -32,11 +32,11 @@ If you prefer an email, contact me at `toolleeo@gmail.com`.
 
 # Summary
 
-To date, **916** apps/tools covered, organized in **45** categories.
+To date, **917** apps/tools covered, organized in **45** categories.
 
 # Index
 
-[Backup](#backup) (9) | [Calculators](#calc) (9) | [Chat and instant messaging](#chat) (12) | [Commands cheatsheet and snippets](#cheatsheet) (16) | [Conversion](#conversion) (8) | [Data management](#data-management) (38) | [Data transfer](#transfer) (32) | [Directory changers](#cd) (13) | [Disk usage analyzers](#disk-analyzer) (12) | [Editors](#editors) (23) | [Email](#email) (12) | [File and file system handling](#file-handling) (46) | [File manager](#file-manager) (17) | [File renamers](#file-renamer) (11) | [File systems](#file-system) (4) | [Font management](#font) (2) | [Funny tools](#funny) (26) | [Games](#games) (37) | [Git and accessories](#git) (34) | [Graphics](#graphics) (26) | [Multimedia](#multimedia) (8) | [Networking](#networking) (23) | [Note taking](#note-taking) (18) | [Office tools](#office) (17) | [Organizers and calendars](#organizers) (17) | [Online search and resources](#online) (10) | [Password managers](#password-manager) (14) | [Productivity](#productivity) (38) | [Programming](#programming) (35) | [Science](#science) (10) | [Security and encryption](#security) (20) | [Shells](#shells) (8) | [Sound and music](#music) (26) | [System monitoring](#monitor) (33) | [System tools](#system) (32) | [Terminals](#terminal) (9) | [Text processing](#text-processing) (48) | [Text search](#text-search) (10) | [Todo managers](#todo-manager) (21) | [Torrent](#torrent) (7) | [Utilities](#utility) (46) | [Versioning](#versioning) (6) | [Viewers](#viewers) (35) | [Web browser](#browser) (16) | [Web development](#webdev) (22)
+[Backup](#backup) (9) | [Calculators](#calc) (9) | [Chat and instant messaging](#chat) (12) | [Commands cheatsheet and snippets](#cheatsheet) (16) | [Conversion](#conversion) (8) | [Data management](#data-management) (38) | [Data transfer](#transfer) (32) | [Directory changers](#cd) (13) | [Disk usage analyzers](#disk-analyzer) (12) | [Editors](#editors) (23) | [Email](#email) (12) | [File and file system handling](#file-handling) (46) | [File manager](#file-manager) (17) | [File renamers](#file-renamer) (11) | [File systems](#file-system) (4) | [Font management](#font) (2) | [Funny tools](#funny) (26) | [Games](#games) (37) | [Git and accessories](#git) (34) | [Graphics](#graphics) (26) | [Multimedia](#multimedia) (8) | [Networking](#networking) (23) | [Note taking](#note-taking) (18) | [Office tools](#office) (17) | [Organizers and calendars](#organizers) (17) | [Online search and resources](#online) (10) | [Password managers](#password-manager) (14) | [Productivity](#productivity) (38) | [Programming](#programming) (35) | [Science](#science) (10) | [Security and encryption](#security) (20) | [Shells](#shells) (8) | [Sound and music](#music) (26) | [System monitoring](#monitor) (33) | [System tools](#system) (33) | [Terminals](#terminal) (9) | [Text processing](#text-processing) (48) | [Text search](#text-search) (10) | [Todo managers](#todo-manager) (21) | [Torrent](#torrent) (7) | [Utilities](#utility) (46) | [Versioning](#versioning) (6) | [Viewers](#viewers) (35) | [Web browser](#browser) (16) | [Web development](#webdev) (22)
 
 Some links to [related resources](#resources).
 
@@ -854,6 +854,7 @@ Music players.
 * [has](https://github.com/kdabir/has) - Checks presence of various command line tools on the PATH and reports their installed version.
 * [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
+* [hypershell](https://github.com/holepunchto/hypershell) - Spawn shells anywhere. Fully peer-to-peer, authenticated, and end to end encrypted.
 * [just](https://github.com/casey/just) - just is a handy way to save and run project-specific commands.
 * [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.
 * [mackup](https://github.com/lra/mackup) - Keep your application settings in sync (OS X/Linux).
diff --git a/data/apps.csv b/data/apps.csv
index 46fd6d7..300f1e9 100644
--- a/data/apps.csv
+++ b/data/apps.csv
@@ -915,3 +915,4 @@ note-taking,journalC,,https://github.com/Dr-42/journalC,A simple encrypted termi
 conversion,Vertopal-CLI,,https://github.com/vertopal/vertopal-cli,"Vertopal-CLI is a small, yet powerful utility for converting digital files to a variety of file formats using Vertopal public API.",,,,
 text-processing,trurl,,https://github.com/curl/trurl,Command line tool for URL parsing and manipulation.,,,,
 programming,umake,,https://github.com/mcandre/unmake,"Makefile linter emphasizing portability, targeting the POSIX make standard.",,,,
+system,hypershell,,https://github.com/holepunchto/hypershell,"Spawn shells anywhere. Fully peer-to-peer, authenticated, and end to end encrypted.",,,,