Amberworld is (going to be) an interpreter for the Amiga classic Ambermoon (by Thalion) and games with a similar engine (Dragonflight, Amberstar, Albion). This project needs support, looking for an 680x0 assembler geek.
Cross-platform reimplementation of AMOS BASIC (runtime)
XAMOS is a cross-platform reimplementation of AMOS BASIC based on jAMOS, fully re-written in C++ with SDL libraries.
Currently runtime only, however is widely compatible with jAMOS projects.
Snack combines a high-level object oriented language (think JavaScript) with a bytecode execution engine. An example air traffic control game (a port of the classic ATC) and a text adventure framework are included.
The Lcomp Scripting Engine is a scripting engine written in Visual BASIC for DOS 1.0 that can be used by a programmer to write automatated scripts to perform routine actions in DOS. It can be used as a simple automation tool or a vast programming language