add communication category

raw/body.md

@@ -1,10 +1,11 @@
 Casual
 ------
 
-### Office
+### Communication
 
-[**Libre Office**](https://libreoffice.org/)
-:   Free and powerful office suite
+[**Riot**](https://riot.im/)
+:   A universal secure chat app entirely under your control, based on
+    the **Matrix** protocol
 
 ### File Synchronisation
 
@@ -12,42 +13,54 @@ Casual
 :   Synchronizes files between two or more computers in real time,
     safely protected from prying eyes
 
+### Office
+
+[**Libre Office**](https://libreoffice.org/)
+:   Free and powerful office suite
+
 Nerdy
 -----
 
+### Communication
+
+[**Matrix**](https://matrix.org/)
+:   An open network for secure, decentralized communication
+
+### Editors
+
+[**Kakoune**](https://kakoune.org/)
+:   Modal editor, similar to Vim
+
+### File Sharing
+
+[**Magic Wormhole**](https://github.com/warner/magic-wormhole/)
+:   Get things from one computer to another, safely
+
+### Operating Systems
+
+[**NixOS**](https://nixos.org/)
+:   Declarative operating system, based on the **Nix** package manager
+
 ### Package Managers
 
 [**Nix**](https://nixos.org/nix/)
 :   Purely functional package manager, available for all Unix based
     distributions
 
-### Operating Systems
-
-[**NixOS**](https://nixos.org/)
-:   Declarative operating system, based on the **Nix** package manager
-
-### File Sharing
-
-[**Magic Wormhole**](https://github.com/warner/magic-wormhole/)
-:   Get things from one computer to another, safely
-
-### Writing
-
-[**Pandoc**](https://pandoc.org/)
-:   Swiss-army knife for converting files from one markup format into
-    another
-
-### Editors
-
-[**Kakoune**](https://kakoune.org/)
-:   Modal editor, similar to Vim
-
 ### Search Engines
 
 [**searx**](https://asciimoo.github.io/searx/)
 :   Searx is a free internet metasearch engine which aggregates results
     from more than 70 search services
 
+### Web Browsers
+
+[**qutebrowser**](https://qutebrowser.org/)
+:   Keyboard-focused browser with a minimal GUI
+
+[**w3m**](http://w3m.sourceforge.net/)
+:   Text-based web browser as well as a pager
+
 ### Window Managers
 
 [**i3**](https://i3wm.org/)
@@ -56,10 +69,8 @@ Nerdy
 [**i3-gaps**](https://github.com/Airblader/i3/)
 :   **i3** with more features
 
-### Web Browsers
+### Writing
 
-[**qutebrowser**](https://qutebrowser.org/)
-:   Keyboard-focused browser with a minimal GUI
-
-[**w3m**](http://w3m.sourceforge.net/)
-:   Text-based web browser as well as a pager
+[**Pandoc**](https://pandoc.org/)
+:   Swiss-army knife for converting files from one markup format into
+    another