The Small Device C Compiler (SDCC), targeting 8-bit architectures
Simple and flexible programming language for applications development
Portable Pascal GUI Library for Atari ST/TT/MSDOS
An object-oriented script language to embed in any application
Open Utlity is series of unix utlity just like gnu for linux / windows
Refu is a collection of cross-platform C/C++ programming libraries
Djarva - object language, compiler and virtual machine