I lead (🌟) and/or contribute to (👯) the following open-source projects and documents, some of which are forks (🍴):

• 🌟Cosuite for better meetings and teaching
  • 🌟Comingle provides multiroom meetings with persistent apps/state within rooms
  • 🌟Cocreate provides collaborative whiteboards
  • 🌟Coauthor provides collaborative note-taking / forum
• Origami
  • 👯FOLD is a file format for origami designs/meshes, and JavaScript code to manipulate them
  • 👯Origami Simulator simulates paper folding
  • 🌟Crease Pattern Editor
• Art
  • 🌟Algorithmic Character Layout generates random perspective arrangements of images, as used by ourHanging Out sculpture
  • 👯Virtual Glass simulates glass blowing, especially cane
  • 🌟Word Ladder Designer lets you explore sequences like CAT → COT → DOT → DOG.
• 🌟Mathematical and puzzle fonts
  • 🌟Ada,Coin Sliding,Cube Folding,Impossible Folding,Integer Sequence,Juggling,Orthogonal Fold & Cut,Path Puzzles,Spiral Galaxies,Strip Folding,Sudoku,Tatamibari,Tetris,Voronoi,Yin-Yang
  • 🌟font-webapp is a small frontend framework (built on furls) for building these apps
  • 🌟furls is a small frontend framework for synchronizing form state with the page URL
• Talks/slides using a combination ofRevealJS,Pug/Stylus,SVG Tiler, etc.
  • 👯Every Author as First Author
  • 🌟Puzzle Fonts About Puzzles
  • 🌟Token Swapping and Robot Pivoting
  • 👯Yin-Yang Puzzles are NP-complete
  • 🌟Token Swapping on Trees
  • 🌟reveal-pug-talk is the template for this powerful combination of slide creation technology, and isthe basis for the above talks
  • 🌟Timer counts down remaining time for live presentations
• Mathematics
  • 👯Tiling with Three Polygons is Undecidable: Implementation ofa paper converting Wang tiles into three polygons with equivalent tilings
  • 👯PokeTree: Animated demos of Binary Search Trees (BSTs) and AVL trees with Pokémon
  • 👯Every Author as First Author: source code for a humorous paper about stacking names on top of each other
  • 👯TOPP: The Open Problems Project lists open problems in computational geometry
  • 🌟mathcestor renders academic ancestor trees fromMathematics Genealogy Project, such asmine
  • 🌟beancount counts how many papers and coauthors each author has according to DBLP
• Video games
  • 🍴As-Toroids is higher-genus Asteroids
  • 🌟Attractor implements magnetic puzzles/counterexamples froma paper
  • 👯Bust-a-Move / Puzzle Bobble clone with hardness gadgets
  • 🌟Sliding Squares Puzzle implements the classicn² − 1 puzzle in Solid and Civet, with sliding animations
    • ...replacing 🍴8 puzzle which is a small fork of a 15-puzzle implementation
  • 🍴2048 without merging illustrates a 2048 variation studied ina paper
  • 🌟recursed-xls2lua makes it easier to design customRecursed levels
• Figure drawing tools
  • 🌟SVG Tiler combines SVG tiles according to ASCII art or a spreadsheet
  • 🌟svgink converts SVG to PDF/PNG via Inkscape
  • 🌟Computational Geometry Playground lets you interactively write code that computes and renders geometric objects
• LaTeX
  • 👯Texlish: Better LaTeX that compiles to LaTeX
  • 👯KaTeX renders LaTeX to HTML [maintainer]
  • 🌟tex2svg-webworker renders LaTeX to SVG in a Web Worker (used by Cocreate)
• 👯Civet is a new programming language that merges modern ECMAScript/TypeScript with CoffeeScript and lots of additional language features and syntactic sugar, transpiling to ECMAScript or TypeScript
  • 👯Hera is the parser generator that Civet is based on
  • Projects here written in Civet:Algorithmic Character Layout,beancount,mathcestor,PokeTree,shtml2html,Sliding Squares Puzzle,Tiling with Three Polygons is Undecidable,Word Ladder Designer
• 👯CoffeeScript
  • 🌟CoffeeScript for Python programmers: a guide
  • 🌟python2coffee attempts to convert Python → CoffeeScript automatically
  • 🌟WIP branch with TypeScript support (effort moved to Civet)
• Babel
  • 🌟babel-plugin-module-deps tracks which CJS modulesrequire/import which others for dependency tracking (used by SVG Tiler)
• 👯SolidJS is a front-end JavaScript framework [docs and ecosystem teams]
  • Meteor integration
    • 🌟meteor-solid supports the SolidJS compiler in Meteor
    • 🌟solid-meteor-data provides primitives for combining Solid and Meteor reactivity
    • 🌟solid-meteor-demo is a simple example illustrating the above
    • 🌟meteor-solid-template-helper enables use of Solid components inside Meteor Blaze templates
  • 👯solid-bootstrap: Bootstrap 5 components
• Meteor is a full-stack JavaScript framework
  • 🍴edemaine:file-collection stores uploaded files in MongoDB GridFS (used by Coauthor)
  • 🍴edemaine:sharejs is an aging integration with CodeMirror 5 and ShareJS (used by Coauthor)
  • 🌟edemaine:static-pug renders staticPug content
  • 🍴@edemaine/meteor-tracker is an NPM version ofmeteor/tracker andmeteor/reactive-var for testing simple Meteor code without Meteor (used by solid-meteor-data)
• 🌟preact-render-to-dom converts Preact VDOM to DOM or xmldom or jsdomwithout reactivity, faster than stringifying and parsing (used by SVG Tiler)
• 🍴codemirror-spell-checker adds basic English spell checking to CodeMirror 4
• 🌟shtml2html statically renders Apache's server-parsed HTML
• Discord/Slack
  • 🍴slack-backup exports Slack data (including private channels) for Discord import
• Web scripts
  • 🌟dark-monkey adds dark(er) modes to some websites
  • 🌟github-issue.js minimalizes a GitHub issue for printing as a referee response
  • 🌟when2meet-subset.js enables toggling subset of users in when2meet results view

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1. coauthorcoauthorPublic

   Coauthor supercollaboration/discussion forum

   CoffeeScript 263 36

2. cocreatecocreatePublic

   Cocreate Shared Whiteboard/Drawing

   CoffeeScript 216 28

3. cominglecominglePublic

   Multiroom meeting app integrating web tools

   CoffeeScript 47 8

4. svgtilersvgtilerPublic

   Tool for drawing diagrams on a grid, combining grids of SVGs into a big SVG figure

   CoffeeScript 63 7

5. foldfoldPublic

   FOLD file format for origami models, crease patterns, etc.

   CoffeeScript 342 48

6. coffeescript-for-pythoncoffeescript-for-pythonPublic

   CoffeeScript for Python programmers (a guide)

   CoffeeScript 57 2