The Tool Command Language implementation
bash debugger
Agena is an interpreted procedural programming language.
The GNU Prolog native compiler
REXX interpreter
Dynamically loaded extension libraries for GNU AWK
A minimalistic but complete standard Forth compiler in C
Jainja is a JVM (Java Virtual Machine) written in Java
Advanced TECO dialect and interactive screen editor based on Scintilla
The interpreter for BrainF
A COW interpreter written in C
A Pikalang interpreter written in C
amforth is an extendible interpreter on microcontrollers
General Purpose Engine for Graphic Adventures.
Interpreter and compiler for the Seed7 programming language.
Delphi : VRCalc++ OOSL & + (Paged List, TextEditor, VRAstroVision ...)
Delphi Java - VRCalc++ OOSL (Script) and + (Binary Exec Distro)
A BASIC interpreter and compiler with graphics.