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Awesome Esolangs – Massive Collection of Resources

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Curated list of awesome esoteric programming languages, resources and related projects.

“An esoteric programming language, or esolang, is a computer programming language designed to experiment with weird ideas, to be hard to program in, or as a joke, rather than for practical use.”



  • 1+ – A surprisingly user-friendly language with a highly-limited instruction set.
  • 78 – A single-character command language focused around the numbers 7 and 8.
  • ajsone – Language defined completely in JSON.
  • AlmostBinary – Code in binary and run on any platform.
  • ArnoldC – Based on the best one-liners of Arnold Schwarzenegger.
  • Befunge – Two-dimensional language.
  • Brackets – Language made of brackets, a lot of brackets.
  • Brainfuck – Minimalist language using only 8 single-character commands.
  • C Flat – Musical language focused on sound rather than notation with creative freedom in mind.
  • Charcoal – Concise language for sketching ASCII art.
  • Chef – Programs that look like cooking recipes.
  • Chicken – Only 1 valid symbol: ‘chicken’.
  • ChuckScript – Unary-based language, where the code is a single number.
  • DNA# – Language based on the structure of the DNA.
  • Dots – A turing-complete language using “.” symbol only.
  • Emojicode – Full-blown programming language consisting of emojis.
  • Enterprise™ – Non deterministic unnecessarily statically typed language.
  • False – Heavily offuscated language with a minimal implementation.
  • Fetlang – Designed such that source code looks like poorly written fetish erotica.
  • Folders – Code written with folders.
  • Fugue – Music as source code.
  • Golfscript – Stack oriented, aimed at solving problems in as few keystrokes as possible.
  • Haifu – Designed with the core values of Easter philosophy in mind.
  • INTERCAL – Parody language intended to be completely different from other languages.
  • Japt – Reduced JavaScript for golfing.
  • Jelly – Golfing language based on J.
  • JSFuck – Esoteric programming style based on the atomic parts of JavaScript.
  • Lazy K – Minimal, turing-complete pure functional language without extra features.
  • legit – Programs defined entirely by the graph of the git repository instead of its contents.
  • LolCode – Language with keywords based on the lolcat meme expressions.
  • Malbolge – Named after the 8th level of hell, is designed to be as difficult as possible to program.
  • Monicelli – Programming using Italian-like gibberish.
  • Ni – Brainfuck-based with more helpful instructions.
  • Omgrofl – Syntax resembling Internet slang.
  • Ook! – Brainfuck-based language, where the commands are orangutan words.
  • Orca – Livecoding environment to quickly create procedural audio sequencers.
  • reMorse – Morse-styled language.
  • Rockstar – Designed for creating computer programs that are also song lyrics.
  • Piet – Language in which programs look like abstract paintings using colors as code. Named after Piet Mondrian.
  • Shakespeare – Language where the code appear to be Shakespearean plays.
  • Spooky – The scariest programming language 🎃 💀.
  • Suzy – 3D language inspired in Befunge.
  • Technologic – Language in which programs look like the lyrics to the Daft Punk song Technologic.
  • ThueMatrioshka language based on nondeterministic string rewriting of a semi-Thue grammar.
  • Tru – A stack-based language with prefix-free brackets.
  • TrumpScript – Make Python great again.
  • Turtle – Uses long-term storage for memory use.
  • Unary – Brainfuck-based language where all the commands are 0.
  • Unlambda – Obfuscated functional programming.
  • Velato – Language that uses MIDI files as source, programs are defined by the pitch and order of notes.
  • Vigil – Only Vigil is truly vigilant about not allowing code that fails to pass programmatic specifications.
  • Watson – Stack-based Turing-incomplete configuration files.
  • 文言 (Wenyan) – Closely follows the grammar and tone of classical Chinese literature.
  • Whenever – Language that does things whenever it wants.
  • Whitespace – Use only white-characters (space, tabs and newlines).
  • WordLang – A language based on meaning-like grammar that produces output.
  • Z – Use only the letter z.
  • ZOMBIE – Inherently evil multithreaded language designed for Necromancers.


  • πfs – Pi-based storage system, store your data by searching a matching sequence in pi.
  • Stacksort – Sorts a list by searching answers in Stack Overflow and executing code snippets until is sorted.


  • asmbf – The only true brainfuck assembler toolkit.
  • CSS-only-chat – A truly monstrous async web chat using no JS whatsoever on the frontend.
  • FizzBuzzEnterpriseEdition – Simple FizzBuzz game implemented under the most strict enterprise standards.
  • NoCode – Secure and reliable applications. Write nothing; deploy nowhere.
  • Petrovich – Operating System concept based on random actions and rewards/punishments.
  • vapor.js – The World’s Smallest & Fastest JavaScript Library.




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