The Small Device C Compiler (SDCC), targeting 8-bit architectures
build linux from termcap to GTK-4.7 100% non-stop
Building and running ancient Linux on Windows
Open Watcom C/C++ compilers and tools Fork
multi-platform cross assembler for 6502/6510/65816 cpu
Create\Open Android update-script, Fast and Easily.
C compiler and dev kit for the z80 with assembly language libraries.
Implementations for the Revised Report language
BASIC Compiler and Interpreter
PEARL Compiler and Runtime System
Embedded by examples
Oberon family of languages to C translator for ARM, x64 and x86 archit
A simple armv7h sdk
A minimalistic but complete standard Forth compiler in C
SUNY Stony Brook Pascal for the IBM/360 written in XPL
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
Micro Programming Language - A Portable Language for Micro Computers