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

A libre lightweight streaming front-end for Android.

A tool for reverse engineering Android apk files

LSPosed Framework

Style and Grammar Checker for 25+ Languages

The main repository of Telegram X — official alternative Telegram client for Android.

Text editor - Notes & ToDo (for Android) - Markdown, todo.txt, plaintext, math, ..

Fully featured, open source, privacy friendly email app for Android

OpenKeychain is an OpenPGP implementation for Android.

Hacker's Keyboard (official)

GeoGebra apps (mirror)

Github client for Android

Decentralized private messenger with chat-shared tools and games for Android

Customizable, privacy‑first, open-source clock app inspired by AOSP Clock

Android simple text editor

A port of gnupg to Android (UNMAINTAINED!)

Tor binary and library for Android

大李敖全集5.0 mdbook