Agena is an interpreted procedural programming language.
Delphi Java - VRCalc++ OOSL (Script) and + (Binary Exec Distro)
Advanced TECO dialect and interactive screen editor based on Scintilla
IDLE Extensions
A minimalistic but complete standard Forth compiler in C
Text scraping and data munging language.
Graph algorithms interpreter, IDE, debugger, 3D visualizations.
A Compiler Development Toolkit
Game creation engine with built-in BASIC interpreter.