GrowthBook

Open-source feature flags and A/B testing.

About GrowthBook

In GrowthBook’s own words: “The 1st warehouse-native platform for experimentation, feature flags, and product analytics. Open source and fully transparent. Trusted by 3,000+ companies.”

GrowthBook is open source, has a free plan and can be self-hosted.

People switching from LaunchDarkly often consider GrowthBook.

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Listed for information; LaunchStall isn’t affiliated with GrowthBook. The quoted description comes from growthbook.io. Features and plans change — check the official site for current details.