Dex to Java decompiler
The modern Java bytecode editor
JPEXS Free Flash Decompiler (FFDec) is open-source Flash SWF decompiler and editor. Extract and edit ActionScript, images, sounds, shapes, fonts, and other SWF resources.
Decompiler from Java bytecode to Java, used in IntelliJ IDEA.
Source code of APK Explorer & Editor (AEE), an open-source tool to explore the contents of an installed APK!
Framework to interpret and transpile JVM bytecode to JavaScript, OpenCL or WebAssembly.
A Source engine map decompiler
Command line Java Decompiler