iBotPeaches / Apktool

Decodes Android APK files to near-original resources and smali code, and rebuilds them after modifications.

skylot / jadx

Command-line and GUI tools that decompile Android Dex, APK and Java bytecode into readable Java source.

ReSo7200 / InstaEclipse

An Xposed/LSPosed module for Instagram that adds privacy controls, media downloads, feed cleanup, and theming via an in-app menu.