Revolution IRC

The next-generation IRC clientGPL-3.0-only

Weechat-Android

Relay client for the WeeChat IRC client.Apache-2.0

Goguma

An IRC client for mobile devicesAGPL-3.0-only

Quasseldroid

Chat comfortably. Everywhere. REQUIRES A QUASSEL COREGPL-3.0-only

Emacs

The extensible self-documenting text editorGPL-3.0-or-later

Taskwarrior

Unofficial version of Taskwarrior - console task management toolMIT

TRIfA

TRIfA Tox ClientGPL-3.0-only

Element - Secure Messenger

Group messenger - encrypted messaging, group chat and video callsAGPL-3.0-or-later