cdnjs

A free and open-source content delivery network (CDN) that hosts thousands of popular JavaScript libraries and web development packages, trusted by over 12.5% of all websites on the internet. The service handles more than 200 billion requests per month, powered by Cloudflare's global infrastructure. Available libraries include jQuery, React, Vue.js, Angular, Moment.js, Lodash, Axios, D3.js, Three.js, Babel, Webpack, and thousands of other front-end tools. The platform allows developers to contribute new libraries and updates via GitHub pull requests. An API endpoint is available for programmatic library discovery and version lookup. The project is community-maintained with donation and sponsorship options through Open Collective and Patreon. Available in multiple regions through Cloudflare's CDN edge network for fast global delivery. Developers can browse all available libraries, read API documentation, and access community discussions directly on the site. The service is free for both public and commercial use.