Repository Index

A Coq specification of ECMAScript 5 (JavaScript) with verified reference interpreter

The Ink language parser and runtime implementation in Lua

• ink
• lua
• narrative
• interactive-fiction

An OCaml generic virtual machine for microcontrollers

Generic eBPF runtime

J2ME implementation in JavaScript

• j2me

A little scheme implementation on top of Clojure

• scheme
• evaluator
• lisp
• macros

Gentee - script programming language for automation. It uses VM and compiler written in Go (Golang).

• scripting-language
• automation
• programming-language
• compiler

Elixir implementation of an interpreter for the Monkey programming language

• elixir
• monkey
• interpreter

The single instruction language - Flip a bit, then Jump

• esoteric-programming-language
• programming-language
• oisc
• esolang

XPath/XQuery 3.1 interpreter for Pascal with compatibility modes for XPath 2.0/XQuery 1.0/3.0, custom and JSONiq extensions, pattern matching, XML/HTML/JSON parsers and classes for HTTP/S requests

• xpath
• xquery
• pascal
• html

Qwen3.5-2B with a SIMT GPU inside its weights, 45 compiled layers in front of Qwen’s own, using its Gated DeltaNet layers as registers and memory.

Salesforce Formula Parser implemented in ES2017. Live demo at

A Bitcoin Script Interpreter and Debugger in Scala

• scala
• bitcoin
• cryptocurrency

CLAWK is an AWK implementation embedded into Common Lisp, by Michael Parker. This version contains some patches to make it compile again.

Shopify's Liquid templating language in OCaml. Features an interpreter, parser and lexer.

• liquid
• ocaml
• parser-combinators
• shopify

Modified HP-48 Superchip Binary to address undesirable quirks present in the platform.

A simple embeddable scripting language which supports concurrent event processing.

• interpreter
• language
• embeddable-scripting-language
• object-oriented-programming

An embeddable implementation of the Ngaro Virtual Machine for Go programs

A compatible re-implementation of the BibTeX program in Common Lisp, with a BST-to-CL compiler. By Matthias Köppe

Embeddable Forth interpreter written in Ada

• ada
• forth
• interpreter

Implementation of a brainfuck interpreter written for the Game Boy.

Brainfuck interpreter written in Swift using Playground.

A three-dimensional esoteric programming language

Ni is a small esoteric programming language turing complete, cell based, like brainfuck.

• esoteric-programming-language
• esoteric-language
• esoteric-interpreter
• esoteric-languages