Top Open Source Projects Built With JavaScript in 2026
A curated collection of the 421 best free and open-source projects built using JavaScript. Discover popular repositories, architecture patterns, and trending software in 2026.
Zola
Open chat interface for all your AI models
Stars1,531Last commit8mo agoLicenseApache-2.0
Zulip
Organized team chat for distributed teams
Stars25,775Last commit11d agoLicenseApache-2.0
Zen Browser
Privacy-focused, feature-rich web browser
Stars44,112Last commit11d agoLicenseMPL-2.0
Zenblog
Headless blogging CMS with Notion-style editor
Stars253Last commit5mo agoLicenseAGPL-3.0
xyd
Open source framework for building beautiful docs
Stars113Last commit12d agoLicenseMIT
Yaak
Local-first API client for HTTP, GraphQL, gRPC, and more
Stars19,117Last commit12d agoLicenseMIT
Zellij
Terminal workspace with floating panes and layouts
Stars35,144Last commit11d agoLicenseMIT
XWiki
Open source enterprise wiki and knowledge base
Stars1,302Last commit10d agoLicenseLGPL-2.1
Waterfox
Privacy-focused open-source web browser
Stars6,202Last commit11d agoLicenseOpen Source
Worklenz
Free and open source project management tool
Stars3,151Last commit13d agoLicenseAGPL-3.0Grok Build
AI-powered terminal coding agent
Stars26,121Last commit12d agoLicenseApache-2.0Vvveb CMS
Open source drag-and-drop CMS and eCommerce builder
Stars1,176Last commit1mo agoLicenseAGPL-3.0
Synara
Local-first workspace for parallel coding agents
Stars1,608Last commit17d agoLicenseMIT
Comp AI
Automate SOC 2, ISO 27001, HIPAA & GDPR compliance
Stars1,899Last commit28d agoLicenseAGPL-3.0
Tldraw
Free instant collaborative whiteboard for all devices
Stars49,987Last commit10d agoLicenseOpen Source
