The Small Device C Compiler (SDCC), targeting 8-bit architectures
Open Watcom C/C++ compilers and tools Fork
multi-platform cross assembler for 6502/6510/65816 cpu
C compiler and dev kit for the z80 with assembly language libraries.
Implementations for the Revised Report language
Oberon family of languages to C translator for ARM, x64 and x86 archit
ATasm is a 6502 command-line cross-assembler.
A "Just Enough Language" compiler targeting the 6502/Z80/6809
Micro Programming Language - A Portable Language for Micro Computers
Homebrew toolchains for wii, gamecube, 3ds, ds, gba, gp32 and psp
C/C++ , PHP, PYTHON, 3D ENGINES, CHROME NATIVE CLIENT
A C Compiler/Editor for Retro 6809 Machines (Colour Computer/Dragon)
Moved to https://github.com/davidgiven/ack
Embed C++ in Python source code, dynamically compile and access data
High-level, meta-language, trans-compiler with virutal machine
*** Moved to http://github.com/esumii/min-caml ***
C-Lesh is a game programming language for 2D games.