The Small Device C Compiler (SDCC), targeting 8-bit architectures
SUNY Stony Brook Pascal for the IBM/360 written in XPL
A complete runtime environment for gcc
Linux to DJGPP cross-compiler with pthread library and std::thread.
Scripts, Makefiles, tools helping to build TinyCC on Windows and wine.
A minimalistic but complete standard Forth compiler in C
C compiler and dev kit for the z80 with assembly language libraries.
CI maintained precompiled GCC ARM/ARM64 Toolchains for Raspberry Pi
Provide latest GNU toolchain for Symbian developers
PEARL Compiler and Runtime System
EMX compiler hosted on Win32
BASIC Compiler and Interpreter
Implementations for the Revised Report language
Oberon family of languages to C translator for ARM, x64 and x86 archit
Mariko's GCC for the x68000
Cygwin cross-compiler for Fedora
Ada cross compiler and libraries for AVR µCs
K&R C compiler for the 68000
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