Static @fit checks for ordinary TypeScript layout code

Peer-to-peer, editor-agnostic collaborative editing of local text files.

A fast, helpful, and open-source document parser

Macro is a unified interface for email, messages, tasks, calls, agents, pull requests, docs, crm — linked together with shared AI memory.

Fast, accurate & comprehensive text measurement & layout

A general purpose scientific writer

The AI Workspace for Researchers

Experiments with Don Knuth's original TeX implementation

Semantic version control => entity-level diffs, blame, and impact analysis on top of git. 28 languages via tree-sitter. Built for coding agents.

Symphony turns project work into isolated, autonomous implementation runs, allowing teams to manage work instead of supervising coding agents.

Skills for teaching agents how to build on Cloudflare.

Fast, customizable Markdown parser and renderer with full CommonMark support. TypeScript rewrite of markdown-it with enhancements.

Decode DVI files generated by LuaTeX

Port of TeX++ to actual C++ compilers

TeX-in-C from http://www.math.uni.wroc.pl/~hebisch/tex/ (possibly still active project)

A TeX implementation in a single C++11 class.

Extends Spotlight by running JavaScript.

WASM BusyTeX API for TeX Live 2026 (01.03.26) supporting LuaTeX, PdfTeX, & XeTeX in the browser

A multi-threaded, GPU-powered, 2D vector graphics environment for Node.js

Accessible vector PDF from HTML.

Real-time collaboration with Yjs on Cloudflare Workers using Durable Objects, eliminating Node.js dependencies. Inspired by y-websocket

😎 A curated list of WebAssembly runtimes

Markdown Parser for incremental update

A tiny syntax highlighter for React using Lezer parsers

Codemirror support for collaborative editing using JSON CRDT

source part of the TeX Live subversion repository - for issues please contact the tex-k mailing list at tug.org