A BASIC interpreter and compiler with graphics.
A free, cross-platform emulator for GW-BASIC, PCjr & Tandy BASIC
BASIC-like language interpreter for embedded systems
IDLE Extensions
Programming language with expressive power and a simple implementation
DatabeneScript is a Java library for resolving Java-like expressions
Interpreter Code for Book Part 1
Implements the stable model semantics without grounding.
Java interpreter with Forth-like syntax, use it for testing java libs
BASIC language interpreter (multiplatform)
Dynamic Python binding for Qt Applications
Children's learning programming language Karel the Robot in 3D