jadx - Dex to Java decompiler Command line and GUI tools for produce Java source code from Android Dex and Apk files.

See how APIs, libraries, frameworks, and 3rd party .NET code really work with the leading .NET decompiler - .NET Reflector. Runs as a Visual Studio add-in.

Bytecode Viewer is an Advanced Lightweight Java Bytecode Viewer, GUI Java Decompiler, GUI Bytecode Editor, GUI Smali, GUI Baksmali, GUI ...

Binary Ninja is a modern reverse engineering platform with a scriptable and extensible decompiler.