Reko is a binary decompiler
A fully Go userland with Linux bootloaders
Compiler for Clojure that targets JavaScript
A programming language that understands what a web app is
Koka language compiler and interpreter
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
C++ framework with an ide.
Free 32/64/16-bit multi-platform Pascal and Object Pascal compiler
Translates state machine into a target programming language.
Open Watcom C/C++ compilers and tools Fork
ECLiPSe Constraint Logic Programming System
Ox is an attribute-grammar evaluator generator.
C compiler and dev kit for the z80 with assembly language libraries.