The GNU Prolog native compiler
Jainja is a JVM (Java Virtual Machine) written in Java
Advanced TECO dialect and interactive screen editor based on Scintilla
Run BeanShell scripts by double-clicking them
BASIC language interpreter (multiplatform)
Perform dynamic tunings for realtime music.
A native Windows port of the GNU Compiler Collection (GCC)
Runtime and development environment of Oz
Karel - 3D language interpreter
A cross-platform interpreter for many point-and-click adventure games
A functional programming language
Goal-directed answer-set programming
Cross-platform reimplementation of AMOS BASIC (runtime)
The Advanced Algebraic Language.