







Super-fast alternative to Babel for when you can target modern JS runtimes
Emscripten: an LLVM-to-JavaScript compiler
Although the performance of today's JavaScript engines is sufficient for most web applications, faster and more predictable runtimes could be desired for performance-critical web code. Therefore, we present Speedy.js, a cross-compiler that translates ...


Vite
A fast build tool for JavaScript apps. Vite has 30 repositories available. Follow their code on GitHub.
The many, many, many JavaScript runtimes of the last decade
This last decade has seen an inundation of new JavaScript runtimes (and engines in equal measure), enabling us to run JavaScript in all manner of contexts...
babel/doc/design/monorepo.md at master · babel/babel
🐠 Babel is a compiler for writing next generation JavaScript. - babel/babel
JSR: the JavaScript Registry
JSR is the open-source package registry for modern JavaScript. JSR natively supports TypeScript, and works with all JS runtimes and package managers.

unjs/oxbox
🐂 Tiny, portable JS library for parsing and transforming JS/TS/JSX, powered by oxc
@babel/standalone · Babel
@babel/standalone provides a standalone build of Babel for use in browsers and other non-Node.js environments.
KaTeX – The fastest math typesetting library for the web
Simple API, no dependencies – yet super fast on all major browsers.

egoist/esbuild-register
Transpile JSX, TypeScript and esnext features on the fly with esbuild
Bun runtime on Vercel Functions
Vercel Functions now supports the Bun runtime, giving developers faster performance options and greater flexibility for optimizing JavaScript workloads.
