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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 analysisThue
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 Schrรถdinger'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 languagepibfi
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 algebratagfarm
MIRROR of https://codeberg.org/catseye/tagfarm : An ultra-lightweight filesystem-based categorization system for arbitrary filesBubble-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 generationIllgol-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 hillsArboretuum
MIRROR of https://codeberg.org/catseye/Arboretuum : A forest-rewriting language; precursor to Treacle.Nhohnhehr
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 โ 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)Apple-Befunge
ARCHIVED: A dialect of Befunge for the 8-bit Apple II (or Apple ][+ or Apple //e)Love Open Source and this site? Check out how you can help us