Open-source feature flagging, A/B experimentation, and product analytics platform that can run on your own data warehouse.
8.5K882TypeScriptOtherUpdated 6 hours ago
4 alternatives
Best open-source alternatives to Optimizely (2026)
Looking for a free, open-source alternative to Optimizely? These 4 projects can replace it. Each one passed our quality screening and is explained in plain words, so you can compare stars, license and maintenance at a glance.
Quick comparison
| Project | Stars | License | Last commit |
|---|---|---|---|
| growthbook/growthbook | ★ 8.5K | Other | 6 hours ago |
| flipt-io/flipt | ★ 4.9K | Other | 10 hours ago |
| featurevisor/featurevisor | ★ 812 | MIT | yesterday |
| dif-sh/dif | ★ 129 | MIT | 4 days ago |
Git-native feature flag platform that stores flags in your own Git repositories and deploys them alongside code.
4.9K314GoOtherUpdated 10 hours ago
Open-source feature flag and experimentation system that manages flags, A/B variations and remote config declaratively in Git.
81239TypeScriptMITUpdated yesterday
Feature flags and A/B tests stored as Markdown files in your repo, compiled by a CLI into a typed TypeScript client.
1290RustMITUpdated 4 days ago
FAQ
- Is there a free, open-source alternative to Optimizely?
- Yes. The most popular open-source alternatives to Optimizely on Repolode are growthbook, flipt, featurevisor.
- Which Optimizely alternative should I choose?
- growthbook has the most GitHub stars and is released under Other. Compare the license and last commit of each option in the table above before choosing.