An open source ecosystem for IoT development
Ada compiler support for TI MSP430 processors
A simple armv7h sdk
BASIC Compiler and Interpreter
A small, self-hosting 16bit Forth system
ATasm is a 6502 command-line cross-assembler.
A C Compiler/Editor for Retro 6809 Machines (Colour Computer/Dragon)
Light Weight & Customizable Assembly Compiler & Virtual Machine
PEARL Compiler and Runtime System
SUNY Stony Brook Pascal for the IBM/360 written in XPL