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Befunge-93
MIRROR of https://codeberg.org/catseye/Befunge-93 : The NEW reference distribution for Befunge-93!minischeme
Cat's Eye Technologies' fork of the original public-domain Mini-Scheme implementation, miniscm.The-Swallows
Novel-generator and generated novels for NaNoGenMo 2013Funge-98
MIRROR of https://codeberg.org/catseye/Funge-98 : The Funge-98 specification in all its gorySixtyPical
MIRROR of https://codeberg.org/catseye/SixtyPical : A 6502-oriented low-level programming language supporting advanced static analysispdf.lua
MIRROR of https://codeberg.org/catseye/pdf.lua : An "as-is" pure Lua library for low-level generation of PDF filesThue
Cat's Eye Technologies' distribution of John Colagioia's Thue programming languageNaNoGenLab
Experiments conducted for NaNoGenMo 2014MARYSUE
Novel generator written for NaNoGenMo 2015ALPACA
MIRROR of https://codeberg.org/catseye/ALPACA : A Language for the Pithy Articulation of Cellular AutomataMascarpone
MIRROR of https://codeberg.org/catseye/Mascarpone : You are lost in a twisty maze of meta-circular interpreters, all alike.Guten-gutter
Strips boilerplate from Project Gutenberg text filesTamsin
MIRROR of https://codeberg.org/catseye/Tamsin : Somewhere between a meta-language, a programming language, and a rubbish listerSamovar
MIRROR of https://codeberg.org/catseye/Samovar : Model worlds using propositions and run simulations in themPhilomath
MIRROR of https://codeberg.org/catseye/Philomath : An LCF-style theorem prover written in C89 (a.k.a ANSI C)JaC64
Cat's Eye Technologies' fork of JaC64, a Java-based Commodore 64 emulator.Chrysoberyl
MIRROR of https://codeberg.org/catseye/Chrysoberyl : An attempt to catalogue and curate Cat's Eye TechnologiesSpecs-on-Spec
MIRROR of https://codeberg.org/catseye/Specs-on-Spec : A collection of language specifications which don't belong anywhere elseWierd
A fungeoid language where bends in the chain determine the instructionsVinegar
MIRROR of https://codeberg.org/catseye/Vinegar : A semi-concatenative language where every operation can failShelta
MIRROR of https://codeberg.org/catseye/Shelta : A language with a very small, self-hosted compiler for MS-DOScrone
A simple, non-polling cron-like facility written in ErlangMaxixe
MIRROR of https://codeberg.org/catseye/Maxixe : A simple proof checkerRobin
A Scheme-like language where both functions and macros are defined in terms of fexprstoolshelf
(DEPRECATED: see https://codeberg.org/catseye/shelf instead) A package installer that neither packages nor installs [MIT license]Emmental
MIRROR of https://codeberg.org/catseye/Emmental : A language based on meta-circular interpreters, precursor to Mascarpone.hatoucan
MIRROR of https://codeberg.org/catseye/hatoucan : A tokenizer for Commodore BASIC 2.0 programsCardboard-Prolog
MIRROR of https://codeberg.org/catseye/Cardboard-Prolog : A bare-bones inference engine in 120 lines of purely functional SchemeFlobnar
MIRROR of https://codeberg.org/catseye/Flobnar : This is what happens when you get Befunge-93 drunkBeatnik
Cat's Eye Technologies' implementation of (and tools for) the Beatnik programming languageseedbank
Drop-in replacement for Python's random module that records and can replay seedsDiskSumo
ARCHIVED: Transfer disk images off Commodore 64 over RS-232 via XMODEMSchroedingers-Game-of-Life
MIRROR of https://codeberg.org/catseye/Schroedingers-Game-of-Life : Conway's Game of Life meets Schrödinger's Cata2tools
Cat's Eye Technologies' fork of a2tools Apple II disk image utilitiesSITU-SOL
A programming environment that was written by hand during RetroChallenge 2015/07Equipage
MIRROR of https://codeberg.org/catseye/Equipage : The purely concatenative language that Carriage might've beenWanda
MIRROR of https://codeberg.org/catseye/Wanda : A little "concatenative" language that's not actually concatenative at allCfluviurrh
MIRROR of https://codeberg.org/catseye/Cfluviurrh : A programming language for writing programs that have feelingsExanoke
MIRROR of https://codeberg.org/catseye/Exanoke : A functional language which is syntactically restricted to primitive recursive functionsBacktracking-Wang-Tiler
MIRROR of https://codeberg.org/catseye/Backtracking-Wang-Tiler : A backtracking algorithm for tiling the plane with Wang tilesRUBE
MIRROR of https://codeberg.org/catseye/RUBE : A warehouse-oriented "bully automaton" constructed as a tribute to Rube GoldbergJaccia
MIRROR of https://codeberg.org/catseye/Jaccia : Cellular automata that are intelligent maze-solvers, just like slime molds areT-Rext
MIRROR of https://codeberg.org/catseye/T-Rext : A command-line tool that attempts to rectify punctuation and spacing in (generated) text filesDipple
Where code goes when its home planet has been destroyed. [Public domain*]Falderal
Markdown-embedded literate testing for programming languagesBraktif
MIRROR of https://codeberg.org/catseye/Braktif : A cellular automaton that simulates a Brainfuck interpreterCanvas-Feedback
MIRROR of https://codeberg.org/catseye/Canvas-Feedback : Analogue-video-esque feedback effect on an HTML5 canvasREDGREEN
MIRROR of https://codeberg.org/catseye/REDGREEN : A cellular automaton which simulates a little "physical" worldBefOS
MIRROR of https://codeberg.org/catseye/BefOS : A Befunge-themed "operating system" of questionable utility, for IA-32 hardwareQuylthulg
MIRROR of https://codeberg.org/catseye/Quylthulg : A functional language with goto's inside data structuresKelxquoia
MIRROR of https://codeberg.org/catseye/Kelxquoia : A self-modifying, in fact self-*destroying*, grid-rewriting fungeoid languageFBBI
Flaming Bovine Befunge-98 Interpreter. [BSD license]Funicular
MIRROR of https://codeberg.org/catseye/Funicular : Sort of like Vagrant, except for esoteric and retro architectures and emulatorsEqthy
MIRROR of https://codeberg.org/catseye/Eqthy : A simple formalized language for equational proofsCircute
MIRROR of https://codeberg.org/catseye/Circute : A cellular automaton that simulates NAND gatesSuper-Wumpus-Land
MIRROR of https://codeberg.org/catseye/Super-Wumpus-Land : An "extended dance mix version" of Gregory Yob's Hunt the WumpusPixley
A really small subset of Scheme, implemented in 124 lines of itselfTreacle
MIRROR of https://codeberg.org/catseye/Treacle : A compiler-definition language based on "context rewriting"The-Dossier
MIRROR of https://codeberg.org/catseye/The-Dossier : Curational counterpart to Chrysoberyl, containing long-form writingsHev
MIRROR of https://codeberg.org/catseye/Hev : A Solution to the Central Problem of Infix NotationCastile
MIRROR of https://codeberg.org/catseye/Castile : A simple imperative language with union types (and a compiler for same, with multiple targets)SMETANA
MIRROR of https://codeberg.org/catseye/SMETANA : A pathological little self-modifying languagetagfarm
MIRROR of https://codeberg.org/catseye/tagfarm : An ultra-lightweight filesystem-based categorization system for arbitrary filespibfi
An ungodly bloat-monster of a brainfuck interpreter [BSD license]Tandem
MIRROR of https://codeberg.org/catseye/Tandem : A rewriting language where the rewrite rules form a Kleene algebraBubble-Escape
A maze-exploration minigame (2K) for the Commodore 64yoob.js
Javascript/HTML5 grab-bag for esolangs and gewgawsBurro
MIRROR of https://codeberg.org/catseye/Burro : A language whose denoted programs form a group under program concatenationYolk
MIRROR of https://codeberg.org/catseye/Yolk : A tiny S-expression language with a tiny self-interpreterFountain
MIRROR of https://codeberg.org/catseye/Fountain : A grammar formalism for CSLs supporting both efficient parsing and efficient generationArboretuum
MIRROR of https://codeberg.org/catseye/Arboretuum : A forest-rewriting language; precursor to Treacle.Illgol-Grand-Mal
MIRROR of https://codeberg.org/catseye/Illgol-Grand-Mal : A communicable disease in the form of a programming language empire [Octuply licensed]yastasoti
MIRROR of https://codeberg.org/catseye/yastasoti : Yet another script to archive stuff off teh internetsOpenZz
Cat's Eye Technologies' fork of OpenZz, a dynamic (self-modifying) grammar interpreter.beta-Juliet
MIRROR of https://codeberg.org/catseye/beta-Juliet : A minimal event-oriented languagePail
MIRROR of https://codeberg.org/catseye/Pail : An esolang based on pairs (if LISP is LISt Processing then this is PAIr Language)Gemooy
MIRROR of https://codeberg.org/catseye/Gemooy : A bagatelle of an esolang that combines 2-ill, Etcha, and self-modificationHTML5-Gewgaws
MIRROR of https://codeberg.org/catseye/HTML5-Gewgaws : A collection of digital gewgaws written in Javascript and HTML5Ypsilax
MIRROR of https://codeberg.org/catseye/Ypsilax : A non-deterministic reflective grid-rewriting languageVersion
MIRROR of https://codeberg.org/catseye/Version : A language with control flow based on "ignorance spaces"relwrite
MIRROR of https://codeberg.org/catseye/relwrite : Relate strings to strings via a grammar in the Chomsky hierarchyLariat
MIRROR of https://codeberg.org/catseye/Lariat : An abstract data type for lambda termsMaze-Clouds
MIRROR of https://codeberg.org/catseye/Maze-Clouds : Simple generative technique that produces cloudy, mazy formsTroupe
An esolang based on hedgehogs, faery rings, and hillsNhohnhehr
MIRROR of https://codeberg.org/catseye/Nhohnhehr : A remotely fungeoid language based on rotated roomsStrelnokoff
MIRROR of https://codeberg.org/catseye/Strelnokoff : A non-deterministic imperative programming languageNaNoGenMo-Entries-2019
Cat's Eye Technologies' novel generators for NaNoGenMo 2019Corona-Realm-of-Magic
An elaborate, unfinished roguelike written in Perl circa 2000 [BSD license]DAM
MIRROR of https://codeberg.org/catseye/DAM : You've tried the Document Object Model, now try the Document *Awesome* Model!Carriage
MIRROR of https://codeberg.org/catseye/Carriage : A "purely concatenative" esolang, circa 2012, with its own reference distribution finally!ZOWIE
MIRROR of https://codeberg.org/catseye/ZOWIE : An esoteric language where literally every operation is memory-mapped — even structured loops!Latcarf
MIRROR of https://codeberg.org/catseye/Latcarf : Experiment in generating a recursive fractal from the bottom upErratic-Turtle-Graphics
MIRROR of https://codeberg.org/catseye/Erratic-Turtle-Graphics : So the turtle's not perfect. Well, who is?Muriel
MIRROR of https://codeberg.org/catseye/Muriel : Cat's Eye Technologies' distribution of Matthew Westcott's quine-based language MurielDungeons-of-Ekileugor
MIRROR of https://codeberg.org/catseye/Dungeons-of-Ekileugor : A roguelike for the unexpanded Commodore VIC-20Oxcart
MIRROR of https://codeberg.org/catseye/Oxcart : A continuation-passing concatenative languageNaNoGenMo-Entries-2018
Cat's Eye Technologies' novel generators for NaNoGenMo 2018Rux-Rolli
An experimental React-based framework for esolangs and other computational animationsKolakoski-Kurve
MIRROR of https://codeberg.org/catseye/Kolakoski-Kurve : A 2-dimensional depiction of the self-describing Kolakoski sequenceZzrk
MIRROR of https://codeberg.org/catseye/Zzrk : A text adventure written in "100% pure" Zz (a meta-language normally used for defining programming languages)Love Open Source and this site? Check out how you can help us