Open-source alternatives to LaunchDarkly
5 open-source projects are offered as replacements for LaunchDarkly. Unleash is the most starred. Running one yourself trades the subscription for your own hosting and upkeep, so the table below leads with what decides that trade: whether the project is alive, what its licence lets a business do, and whether there is a container command to start from.
Side by side
| Project | Stars | Activity | Licence | Self-host | Language |
|---|---|---|---|---|---|
 Unleash | 13,883 | Active | Network copyleft | Compose | TypeScript |
 GrowthBook | 8,508 | Active | Not identified | Compose | TypeScript |
 FlagSmith | 6,600 | Active | Permissive | Compose | Python |
 Flipt | 4,922 | Active | Not identified | Docker | Go |
 FeatBit | 1,945 | Active | Permissive | Compose | C# |
Each one, briefly
- GrowthBook8,508 stars · not identified · active
Open Source Feature Flags, Experimentation, and Product Analytics
- FlagSmith6,600 stars · permissive · active
Flagsmith is an open-source feature flag platform with remote config, experimentation, and self-hosted or cloud deployment options.
- Flipt4,922 stars · not identified · active
Enterprise-ready, Git native feature management solution
Also replaces Rollout.io
- FeatBit1,945 stars · permissive · active
Enterprise-grade feature flag platform that you can self-host. Get started - free.
Where this comes from
Which projects are offered against LaunchDarkly comes from opensourcealternative.to, re-read weekly. Every figure in the table is read from the project’s own repository. We have not run these projects, and we hold no price for LaunchDarkly. Browse every open-source alternative.