The GNU Prolog native compiler
Delphi : VRCalc++ OOSL & + (Paged List, TextEditor, VRAstroVision ...)
Delphi Java - VRCalc++ OOSL (Script) and + (Binary Exec Distro)
Scripting engine for Pascal compilers.
Vici - create a UNIX script using a flow chart interface.
TRAC4 - TRAC T64 macroprocessor with lists and templates
NARS2000: An Experimental APL Interpreter
A free, cross-platform emulator for GW-BASIC, PCjr & Tandy BASIC
A free cross platform command prompt
IDLE Extensions
Dynamic Python binding for Qt Applications
A Java implementation of XProc: An XML Pipeline Language
An object-oriented script language to embed in any application
Simulation tool for the casino game Roulette
C# lexer and parser
Graph algorithms interpreter, IDE, debugger, 3D visualizations.