Best Web Free Open-Source JavaScript Software

Performant, flexible form handling for React with minimal re-renders

Build fast, content‑focused websites with a modern, component‑first framework.

An opinionated code formatter.

The React Framework for Production

Web scraping and crawling made easy

Fast and flexible 2D WebGL renderer

Pure Javascript OCR for more than 100 Languages

Build scalable JavaScript applications with ease

React Framework for building internal tools, admin panels, dashboards & B2B apps

Modern copy to clipboard solution without Flash

A powerful, customizable JavaScript calendar for modern web apps

A fully customizable JavaScript calendar library for modern web applications.