The Small Device C Compiler (SDCC), targeting 8-bit architectures
Building and running ancient Linux on Windows
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
BASIC Compiler and Interpreter
A simple armv7h sdk
A minimalistic but complete standard Forth compiler in C
ATasm is a 6502 command-line cross-assembler.
Cygwin cross-compiler for Fedora
Ada cross compiler and libraries for AVR µCs
An open source ecosystem for IoT development
A "Just Enough Language" compiler targeting the 6502/Z80/6809
Homebrew toolchains for wii, gamecube, 3ds, ds, gba, gp32 and psp
C/C++ , PHP, PYTHON, 3D ENGINES, CHROME NATIVE CLIENT
Supports writing Ada software for Cortex-M3, M4F boards
A kit for cross-platform & embedded development in modular languages.
A C Compiler/Editor for Retro 6809 Machines (Colour Computer/Dragon)
Build System for FLDIGI Applications