> /v1/alternatives/statsig
Open source alternatives to Statsig[005]
Statsig provides feature flags, A/B testing, product analytics and experiment analysis in one platform. Below are 5 self-hostable open source alternatives, ranked by GitHub popularity.
Unleash
Open-source feature management platform
★ STARS
13.5k
⑂ FORKS
848
GrowthBook
Open source feature flagging and A/B testing
★ STARS
7.7k
⑂ FORKS
744
Flagsmith
Flagsmith is an open source feature flagging and remote config service. Self-host or use our hosted version at
★ STARS
6.3k
⑂ FORKS
519
FeatBit
Enterprise-grade feature flag platform that you can self-host. Get started - free.
★ STARS
1.8k
⑂ FORKS
140
Featurevisor
Feature flags, experiments, and remote config management with version control
★ STARS
800
⑂ FORKS
37
// EDITOR'S TAKE
GrowthBook is the closest match because it pairs flags with a real experimentation engine that runs statistics on data already in your warehouse, which is the part most flag tools skip. Unleash is the more solid flag delivery system with better SDKs and rollout controls, but you supply your own analysis; Flagsmith sits between the two, and Featurevisor suits teams who want flags defined in Git rather than a UI.
// FREQUENTLY ASKED
What is the best open source Statsig alternative?
Unleash is the most popular open source Statsig alternative by GitHub stars (13,458 stars). The other 4 options are ranked above.
Are these Statsig alternatives self-hostable?
Yes — every project listed here is open source and runs on your own infrastructure. Click into a project to see its license, stars, language, and current health status.
Are they free?
All projects shown are free and open source. Check each project's license page for the terms — most are MIT, Apache 2.0, or AGPL.