Ghidra is a software reverse engineering (SRE) framework
A reverse engineering suite (decompiler, editor, debugger and more)
Decompiler from Java bytecode to Java, used in IntelliJ IDEA
A tool for reverse engineering Android apk files
JPEXS Free Flash Decompiler is open-source Flash SWF decompiler
Open-source, cross platform Qt based IDE for reverse-engineering
Capstone disassembly/disassembler framework
Source code of APK Explorer & Editor (AEE), an open-source tool
Android reverse engineering & automation framework
Legacy reverse engineering tool
Export disassemblies into Protocol Buffers
Reverse-engineering tool