The Tool Command Language implementation
REXX interpreter
The GNU Prolog native compiler
Interpreter and compiler for the Seed7 programming language.
Delphi : VRCalc++ OOSL & + (Paged List, TextEditor, VRAstroVision ...)
Delphi Java - VRCalc++ OOSL (Script) and + (Binary Exec Distro)
eXist-db is a feature rich Open Source native XML database
Implementation of Tcl for the CLR.
Jainja is a JVM (Java Virtual Machine) written in Java
Vici - create a UNIX script using a flow chart interface.
Scripting engine for Pascal compilers.
General Purpose Engine for Graphic Adventures.
Pequeño IDE para el lenguaje JMEScript.
A BASIC interpreter and compiler with graphics.
IDLE Extensions
R7RS Scheme scripting engine
JavaScript/XML engine for Apache