Small Clojure interpreter, linter and formatter
Expert System Tool
The Tool Command Language implementation
A powerful macro processor based on python
Interpreter and compiler for the Seed7 programming language.
Delphi Java - VRCalc++ OOSL (Script) and + (Binary Exec Distro)
Delphi : VRCalc++ OOSL & + (Paged List, TextEditor, VRAstroVision ...)
Advanced TECO dialect and interactive screen editor based on Scintilla
A free, cross-platform emulator for GW-BASIC, PCjr & Tandy BASIC
BASIC language interpreter (multiplatform)
A Java VM for ARDUINO and other micros using the leJOS runtime.
Template-based code generation language.
Open Design and Integration Environment
CLIPS with lock support. CLIPS for safely handling simultaneous access