Top Open Source Projects Built With HTML in 2026
A curated collection of the 203 best free and open-source projects built using HTML. Discover popular repositories, architecture patterns, and trending software in 2026.
Zitadel
Open-source identity infrastructure for developers
Stars14,870Last commit10d agoLicenseAGPL-3.0
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 SourceVvveb CMS
Open source drag-and-drop CMS and eCommerce builder
Stars1,176Last commit1mo agoLicenseAGPL-3.0
Usertour
Open-source user onboarding platform
Stars2,292Last commit10d agoLicenseOpen Source
Tirreno
Open source security framework for threat monitoring
Stars1,503Last commit23d agoLicenseAGPL-3.0Openlane
Open-source compliance automation platform
Stars296Last commit12d agoLicenseApache-2.0
Silex
Free open-source visual website builder
Stars2,937Last commit16d agoLicenseAGPL-3.0
OpenWebAnalytics
Open source web analytics framework
Stars2,685Last commit12d agoLicenseGPL-2.0
OpenSign
Free open-source DocuSign alternative
Stars6,919Last commit16d agoLicenseOpen SourceOmoiOS
Open-source spec-driven AI development platform
Stars75Last commit2mo agoLicenseApache-2.0
NocoBase
Open-source AI + no-code business system builder
Stars23,888Last commit11d agoLicenseOpen Source
OctoBot
Automated crypto trading bot for exchanges
Stars6,473Last commit27d agoLicenseGPL-3.0
Notifuse
Open-source email platform for newsletters
Stars2,078Last commit20d agoLicenseAGPL-3.0Mage
Open-source data pipeline orchestrator for analytics and AI
Stars8,814Last commit24d agoLicenseApache-2.0
