Proof Logic : A logical framework for theorem proving
R7RS Scheme scripting engine
Student Programming Language (SPL) a subset of PL/I
JavaScript/XML engine for Apache
Relational Database Management System
Java interpreter with Forth-like syntax, use it for testing java libs
Forth interpreter for Win32
Children's learning programming language Karel the Robot in 3D
Perform dynamic tunings for realtime music.
Baffle Is an extension to Brainfuck language, it adds a stack, more
A Java implementation of XProc: An XML Pipeline Language
Learning programming language for kids
Runtime and development environment of Oz
MIPS processor in Java
Build windows executable from Python file. Easily compiler your Python
A customized pForth Interpreter with dynamic library loading
embeddable scripting language