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

Desktop/Android/HTML5/iOS Java game development framework

AnLinux allow you to run Linux on Android without root access.

Source code of APK Explorer & Editor (AEE), an open-source tool to explore the contents of an installed APK!

AnLinux, Ad free version.

It's a Virtual Machine App for Android Which is Based on QEMU