Gravity Programming Language
An easy to learn powerful Programming Language
A language for fast, portable data-parallel computation
A modern proof language
foundation of the General Intelligence Operating System
A dialect of Lisp that's embedded in Python
Jupyter's kernel for Elixir programming language
A purely functional programming language with first class types
A Dependently Typed Functional Programming Language
The core software distribution for the Inform 7 programming language
An hack of Jscheme with a lot of enhancements and additional features.
Jake it's programming language writed on java.
Jeltz glue programming language, minimal functional, easily embeddable
A service-oriented programming language.
KAGSA PROGRAMMING LANGUAGE
Learning programming language for kids
Children's learning programming language Karel the Robot in 3D
Kera is a programming language to design genetic constructs
Cross-Platform, Object-Oriented Programming language. With Kookaburra
The Lux Programming Language
The M.O.R.T.A.L. programming language
Go library for Datalog-style logical reasoning and domain modeling
List of practical projects that anyone can solve in any prog language