The Small Device C Compiler (SDCC), targeting 8-bit architectures
A complete runtime environment for gcc
A minimalistic but complete standard Forth compiler in C
Linux to DJGPP cross-compiler with pthread library and std::thread.
Scripts, Makefiles, tools helping to build TinyCC on Windows and wine.
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
multi-platform cross assembler for 6502/6510/65816 cpu
Eclipse C/C++ MinGW MSYS2
BASIC Compiler and Interpreter
EMX compiler hosted on Win32
Implementations for the Revised Report language
Mariko's GCC for the x68000
ATasm is a 6502 command-line cross-assembler.
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
Homebrew toolchains for wii, gamecube, 3ds, ds, gba, gp32 and psp
Supports writing Ada software for Cortex-M3, M4F boards