The Small Device C Compiler (SDCC), targeting 8-bit architectures
tmux is a terminal multiplexer
A Forth compiler with a little difference
A whole-program optimizing compiler for Standard ML
(X)BNF simple and clever translation grammar compiler
Free 32/64/16-bit multi-platform Pascal and Object Pascal compiler
A BASIC interpreter and compiler with graphics.
A C Compiler/Editor for Retro 6809 Machines (Colour Computer/Dragon)
Tiny education compiler that can compile itself
Converts (packages) Python programs into stand-alone executables
A small, self-hosting 16bit Forth system