New JavaScript Feature Flag Libraries 2026

GitHub Libraries → JavaScript → Feature Flag Libraries

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Performance Testing Tools 3
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Signals Library 2
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Web Frameworks 33
Web Scrapers 7
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WebRTC Libraries 4
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Window Libraries 1
Word / Excel Libraries 1
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last commit 2 days ago unleash/unleash 13K +22

added 1 year ago

Open-source feature management platform

JavaScript Feature Flag Libraries TypeScript Feature Flag Libraries

last commit 10 hours ago posthog/posthog 40K +186

added 1 year ago

PostHog provides open-source web & product analytics, session recording, feature flagging and A/B testing that you can self-host.

Python Analytics Libraries A/B Testing Libraries Feature Flag Libraries JavaScript Analytics Libraries A/B Testing Libraries Feature Flag Libraries TypeScript Analytics Libraries A/B Testing Libraries Feature Flag Libraries