Decompiler from Java bytecode to Java, used in IntelliJ IDEA
GUI application to analyze game files
A reverse engineering suite (decompiler, editor, debugger and more)
JPEXS Free Flash Decompiler is open-source Flash SWF decompiler
Source code of APK Explorer & Editor (AEE), an open-source tool
Complete IDE for Batch files with BAT To EXE Compiler and Debugger.