A complete runtime environment for gcc
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
Cross compiling environment to DJGPP v1
Building and running ancient Linux on Windows
EMX compiler hosted on Win32
BASIC Compiler and Interpreter
Scripts, Makefiles, tools helping to build TinyCC on Windows and wine.
Mariko's GCC for the x68000
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
Cross compiling environment to DJGPP v2
Ada cross compiler and libraries for AVR µCs
K&R C compiler for the 68000
An open source ecosystem for IoT development
A "Just Enough Language" compiler targeting the 6502/Z80/6809