Browse free open source JavaScript Software and projects below. Use the toggles on the left to filter open source JavaScript Software by OS, license, language, programming language, and project status.
ClearURLs is an add-on based on the new WebExtensions technology
A Git-based CMS for Static Site Generators
The world’s most popular open source headless Node.js CMS
SHSans-derived CJK font family with a more concise & modern look
Trigger an action on an element with a keyboard shortcut
Open-source JavaScript library for mobile-friendly interactive maps
A browser based code editor
Call all Node.js modules directly from DOM/WebWorker
AI tool for automatic batch short video creation and editing
Most modern mobile touch slider with hardware accelerated transitions
Build your personal knowledge base
Streaming torrent client for the web
A Java based fault and performance management system
Unlimited FREE AI coding. Connect Claude Code, Codex, Cursor, Cline
Promise based HTTP client for the browser and node.js
Games for tomorrow's programmers
DuckDuckGo Privacy Essentials browser extension for Firefox, Chrome
Browser and wallet for LBRY, the decentralized, user-controlled
Directly accessible TV/radio icon library and related tool projects
An LLM-based presentation generation platform
Open source platform for the machine learning lifecycle
The MetaMask browser extension enables browsing Ethereum blockchain
Open source AI VTuber platform with voice chat and Live2D avatars
The Pencil Project's unique mission is to build a free tool
Simple HTML5, YouTube and Vimeo player