Termux - a terminal emulator application for Android OS extendible by variety of packages.

A server software reimplementation for a certain anime game.

A Minecraft Launcher which is multi-functional, cross-platform and popular

Gnirehtet provides reverse tethering for Android

[Archived, FORK: https://github.com/NihilityT/MiPushFramework] Let supported push service run system-ly on every Android devices