C compiler and dev kit for the z80 with assembly language libraries.
The GNU Prolog native compiler
amforth is an extendible interpreter on microcontrollers
Software build-automation tool written in Common Lisp
Open Watcom C/C++ compilers and tools Fork
A "Just Enough Language" compiler targeting the 6502/Z80/6809
Homebrew toolchains for wii, gamecube, 3ds, ds, gba, gp32 and psp
Your language to speak with all.
A C Compiler/Editor for Retro 6809 Machines (Colour Computer/Dragon)
Moved to https://github.com/davidgiven/ack
A multi purpose scripting language
High-level, meta-language, trans-compiler with virutal machine
Open Utlity is series of unix utlity just like gnu for linux / windows
*** Moved to http://github.com/esumii/min-caml ***
z390 Portable Mainframe Assembler and Emulator