Simple C compiler
Objeck is a modern object-oriented programming language
C compiler and dev kit for the z80 with assembly language libraries.
The GNU Prolog native compiler
Collection of fast and optimized assembly libraries for x86-64 Linux
Boot macOS, Windows, and Linux on Mac or PC with UEFI or BIOS firmware
Minimalistic C library for CP/M
Machine graph audio engine for computer games
Single header stackful cross-platform coroutine library in pure C
The best library to work with .Net Assemblies in any programming lang.
Real time preemptive embedded multi-thread kernel
A "Just Enough Language" compiler targeting the 6502/Z80/6809
A UNIX-like kernel for the i386 architecture
Text mode file and archive manager for Windows
A C Compiler/Editor for Retro 6809 Machines (Colour Computer/Dragon)
This is a port of LibRTK on C#, and into a small c/c++ library.
A multi purpose scripting language