The Lua development repository, as seen by the Lua team
Application-scale JavaScript
Build massively scalable soft real-time systems
SmallBASIC is a fast and easy to learn BASIC language interpreter
A language for fast, portable data-parallel computation
Simple, fast, safe, compiled language for developing software
The Perl programming language
Simple and flexible programming language for applications development
Red is a next-generation programming language
Gravity Programming Language
Agena is an interpreted procedural programming language.
The open sourced NetRexx reference implementation
AQ is an interpreted programming language. It is fast, small, simple a
Hobby programming language for application development
ALFOUR Programming language. Simple, safe, power, multi-platform.
The language used in the AP CSP Exam, now a programming language!
Simple and flexible programming language for applications development
Binary Modular DataFlow Machine (BMDFM)
EDITEL is a screen editor/code generator for GnuCOBOL programmers
PyConda is a simple, Python-based programming language.
KAGSA PROGRAMMING LANGUAGE
A BASIC interpreter and compiler with graphics.
Programming language with expressive power and a simple implementation
Free and Open Game Programming Language for Windows and GNU/Linux