Core-js
Polyfill standard library for JavaScript, including features from ES5, ES6, ES7, and beyond.
Looking for an open-source alternative to babel? Below are 3 community-built tools that offer similar functionality — all free, open source, and ready to use or self-host. Ranked by GitHub stars.
Polyfill standard library for JavaScript, including features from ES5, ES6, ES7, and beyond.
Hosts TypeScript configuration files designed to be extended in a TypeScript application, tailored to specific runtime environments.
A powerful tool to facilitate the swift and seamless migration of JavaScript codebases to TypeScript.
The top picks from this list are Core-js, Bases, Ts-migrate — all maintained, free to use, and self-hostable.
Yes. Every tool listed here is open source and free to use. Many can be self-hosted on your own infrastructure, which means no subscription fees and full control over your data.
Most of the alternatives listed are self-hostable. Check each tool's page for hosting details, system requirements, and licensing terms.
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