RetDec is a retargetable machine-code decompiler based on LLVM
A complete runtime environment for gcc
A code generator for connecting C/C++ with other programming languages
Common Lisp compiler and runtime
The Small Device C Compiler (SDCC), targeting 8-bit architectures
A free COBOL compiler
A decompiler for Lua 5.x
Portable version of the multifunctional development platform Eclipse.
C++ framework with an ide.
An IDE for CUPL
The GNU Prolog native compiler
Industrial Strength NoSQL Application Development Platform
Interpreter and compiler for the Seed7 programming language.
Simple ⇒ Object-Oriented ⇒ Functional
C compiler and dev kit for the z80 with assembly language libraries.