The PHP Interpreter
SmallBASIC is a fast and easy to learn BASIC language interpreter
A refreshing programming language for the front-end web
General-purpose programming language and toolchain
A friendly programming language from the future
A dialect of Lisp that's embedded in Python
Functional programming language for signal processing
The ultimate polyglot programming experience
The Lux Programming Language
Odin Programming Language
Checked C is an extension to C that lets programmers write C code
GritQL is a query language for searching, linting, and modifying code
The core OCaml system: compilers, runtime system, base libraries
The Racket repository
Deep universal probabilistic programming with Python and PyTorch
A Moonscript dialect compiles to Lua
A language for fast, portable data-parallel computation
Audio server, programming language, and IDE for sound synthesis
The crystal programming language
Rakudo – Raku on MoarVM, JVM, and JS
jsii allows code in any language to naturally interact with JavaScript
A programming language and an implementation of that language
Functional Reactive Programming domain-specific language
A purely functional programming language with first class types
Jupyter's kernel for Elixir programming language