70 Open Source Esolang Software Projects

Fetish-themed programming language

Design a turing-complete marble run with ascii/unicode art

The Esoteric File Archive

[alpha!] [on hiatus] An advanced cellular-automaton-specification language that transpiles to Golly's.

Cross-platform IDE for Piet.

A Stack-Based programming language, using Hebrew Niqqud diacritical marks

A stack-based esolang with condensability as well as simplicity and readability in mind.

A Programming language of directories. Just for fun.

Java implementation of the Rockstar language

First fully featured programming language for Stack Overflow Driven Development

scaffolding is a very pointless esolang. Don't try it.

아희 편집기

an esolang where every instruction is named by a number and a letter

Fast (probably the fastest) Brainfuck interpreter in Rust.

Hyeo-ung Programming Language Compiler in Rust

A visual programming language, evaluated as a cellular automaton

Like the Programming Languages Zoo but with esoteric languages.

A golfing language that has aspects of traditional programming languages.

Connery is an experimental lisp themed after veteran actor Sean Connery.

A functional golfing language

A language where the code is written with folders

Unlambda interpreter implemented in TypeScript's type system

Implementation of the Folders📂 esoteric programming language, a language with no code and just folders.

WATSON: Wasted but Amazing Turing-incomplete Stack-based Object Notation

Flip a bit, then Jump - minimalistic esoteric language assembler & standard library

LangGarden - The esolang you probably don't need 👾

Try It Online clone: online sandbox environment for testing code in a variety of languages

The medieval language held together by twine.

Symbolic execution engine for Whitespace.

A stack based esolang.

shook shook shoo shoo

🕹 An esoteric language designed so that the program looks like the transcript of a Pokémon battle

아희: Esoteric language in Hangul

a simple language with a 1000 character interpreter inspired by toki pona

The ??? Programming Language

A toy array language inspired by J, K, and APL.

A two-dimensional programming language.

Official vilmos visual language interpreter!

A two-dimensional, hexagonal programming language.

An Interpreter/Transpiler, written in Kotlin, for the esoteric programming language Folders, a language with no code and just folders

Miscellaneous esoteric programming languages.

A stack-based programming language with a lot of symmetry.

An esoteric programming language with two mutually modifying Brainfuck-like programs.

Carrot is a simple string-based esolang whose memory is on a tape of tapes

Compiler for Entropy, a programming language where all data is in a constant state of decay

Japt 1.4.5, the other JavaScript golfing language

Cat's Eye Technologies' distribution of John Colagioia's Thue programming language

A programming language based on MATLAB and suitable for code golfing

A concise stack-based golfing language

Omgrofl interpreter

Velato language - write code with music

The NEW reference distribution for Befunge-93!

Hyper-Dimensional Brainfuck

lang befunge 93 fast

A [ functional stack ] based language.

:black_flag: An optimizing Brainfuck to Javascript compiler

:stuck_out_tongue_closed_eyes: Polyglot written in 7 esoteric programming languages

Pocket sized programs

A feature-rich, two-dimensional, recreational programming language. With mirrors.

(maybe yet another) programming language inspired by PPAP

Easy and standardized docker images for 200+ esoteric (and non-esoteric) languages.

혀엉씨

Rust로 작성한 혀엉... 구현체

Esolang inspired by ASCII art

The Funge-98 specification in all its gory

Curated list of awesome Esoteric languages and resources

A flexible Brainfuck / Brainloller / Braincopter interpreter in Swift 3.1.

Programming Language that compiles to 8 Bit Brainfuck

A two-dimensional esoteric programming language, inspired by Hexagony and based on Surface

Byte coded Interpreted Programming language