Top Open Source Projects Built With Testing Library in 2026
A curated collection of the 181 best free and open-source projects built using Testing Library. Discover popular repositories, architecture patterns, and trending software in 2026.
Zitadel
Open-source identity infrastructure for developers
Stars14,870Last commit10d agoLicenseAGPL-3.0
Waterfox
Privacy-focused open-source web browser
Stars6,202Last commit11d agoLicenseOpen Source
Worklenz
Free and open source project management tool
Stars3,151Last commit13d agoLicenseAGPL-3.0
Comp AI
Automate SOC 2, ISO 27001, HIPAA & GDPR compliance
Stars1,899Last commit28d agoLicenseAGPL-3.0
Usertour
Open-source user onboarding platform
Stars2,292Last commit10d agoLicenseOpen SourceUnKey
Unified API platform for deployment and observability
Stars5,423Last commit11d agoLicenseOpen Source
Storyden
Self-hosted community forum platform
Stars332Last commit14d agoLicenseMPL-2.0
Stormkit
Self-hosted Vercel and Netlify alternative
Stars255Last commit10d agoLicenseOpen SourceSpanlens
Open source LLM observability & monitoring
Stars12Last commit16d agoLicenseMIT
Skyvern
AI-powered browser automation for any website
Stars22,857Last commit12d agoLicenseAGPL-3.0
Sigle
Web3 writing platform secured on Bitcoin
Stars490Last commit15d agoLicenseMITSpacedrive
A cross-platform file manager that unifies your devices into a seamless, organized digital workspace.
Stars38,861Last commit1mo agoLicenseOpen SourceReflet
Feedback platform for developer-led SaaS teams
Stars33Last commit14d agoLicenseOpen SourceParlant
A conversational AI server that manages agent behavior through context-aware guidelines, keeping responses consistent, auditable, and aligned at scale.
Stars18,269Last commit1mo agoLicenseApache-2.0
Open Wearables
Open-source health intelligence platform for wearable data
Stars2,408Last commit10d agoLicenseMIT
