RetDec is a retargetable machine-code decompiler based on LLVM
...Signature-based removal of statically linked library code. Static analysis of executable files with detailed information. We currently support Windows (7 or later), Linux, macOS, and (experimentally) FreeBSD. An installed version of RetDec requires approximately 5 to 6 GB of free disk space.
After a program has been thrown into the world in binary form, it can boomerang back as source code. The Boomerang reverse engineering framework is the first general native executable decompiler available to the public.
dxcut is a library for reading, editing, and writing dex and odex files which contain the class definition and Dalvik bytecode used by the Android operating system. This project includes a disassembler/decompiler, dex optimizer, and hooking utils.
MEDDAC is the seeding point for designing a new approach to Operating System design itself. It is an Open Source project with roots in mainframe design and development the author began in 1979. Monitor Editor Disassembler Decompiler Assembler Compiler
A collection of ACS tools. It will have an ACS disassembler, because I intend to get a method of decompiling as quickly as possible. After that, there will be: compiler, decompiler, linker and translator, etc...
Java decompiler written in C++ aimed to decompile Java 6.0 (and below) class files. The intention of the decompiler is to generate source files using as much information provided in the class file as possible.