Babel repo for all developers. Covers basics, configs (presets/plugins), AST dev, polyfill, integrations (Webpack/Vite/React/Vue/TypeScript). With commented code, demos, AI cases. pnpm-ready.​

“Tangut Cangjie Input Method” by KAWASAKI Keigo for RIME

Tangut pronunciation database

An ahead-of-time JavaScript compiler

An extremely fast LaTeX formatter written in Rust

A web tool to explore the ASTs generated by parsers.

Staging repo for development of native port of TypeScript

LLM inference in C/C++

ESLint plugin for finding regex mistakes and style guide violations.

Mario Builder 64 is a Super Mario 64 ROM hack that allows you to create custom levels in-game.

A proposal to add signals to JavaScript.

基于思源黑体，并以中国大陆字形为标准的对中日韩越统一表意文字扩展区进行字形补充的项目。

Govee H-series Thermometer Hygrometer plugin for Homebrige.

PyMuPDF is a high performance Python library for data extraction, analysis, conversion & manipulation of PDF (and other) documents.

qpdf: A content-preserving PDF document transformer

Determine whether characters have the ID_Start or ID_Continue properties

Chromium fork named after radioactive element No. 90. Windows and MacOS/Raspi/Android/Special builds are in different repositories, links are towards the top of the README.md.

Don't Roll Your Own Crypto: pure-Rust, hard to misuse cryptography library

Unicode routines (UTF8, UTF16, UTF32) and Base64: billions of characters per second using SSE2, AVX2, NEON, AVX-512, RISC-V Vector Extension, LoongArch64, POWER. Part of Node.js, WebKit/Safari, Lad…

Build system optimized for JavaScript and TypeScript, written in Rust

Last Resort Font

Hash collisions and exploitations

Extractors for ECMAScript

A tool for analyzing the output of `tsc --generateTrace`

Rust bindings for the V8 JavaScript engine

Carbon Language's main repository: documents, design, implementation, and related tools. (NOTE: Carbon Language is experimental; see README)

Draft specification for BigInt bit length in JavaScript.