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

Dex to Java decompiler

A libre lightweight streaming front-end for Android.

A tool for reverse engineering Android apk files

LSPosed Framework

Free implementation of Play Services

A full-featured package manager and viewer for Android

Haven is for people who need a way to protect their personal spaces and possessions without compromising their own privacy, through an Android app and on-device sensors

Install and run GNU/Linux on Android

Android markdown library (no WebView)

A VT-100 terminal emulator for the Android OS

LSPass: Bypass restrictions on non-SDK interfaces

Hacker's Keyboard (official)

XPrivacy - The ultimate, yet easy to use, privacy manager

Example code for "How-To SU"

Termux add-on app for integration with Tasker.

An application which manages kernel parameters

Android VM injection and BinderJacking sample code, and some ramblings about root

Defines the plug-in API specification for Locale

Implementation of plug-in API for Locale for clients