FlagSmith
Flagsmith/flagsmith
An open-source alternative to LaunchDarkly.
Flagsmith is an open-source feature flag platform with remote config, experimentation, and self-hosted or cloud deployment options. (from the repository)
- Stars
- 6,600
- Licence
- BSD-3-Clause
- Last push
- 2026-10-17
- Written in
- Python
Is it alive?
Four readings from the repository, each with the rule behind it. No blended score.
Activity
Active
Last push 10 days ago
Active: pushed within 90 days. Slowing: within a year. Quiet: longer.
Releases
Recent
v2.286.0, 13 days ago
Recent: a tagged release within six months. Some projects ship from the main branch and never tag.
Issues
78% closed
603 open · 2,083 closed
Share of all issues ever filed that are now closed. Under 20 issues is too few to read.
Momentum
+26 in 9 days
6,600 stars
Change in stars across our daily readings, over up to 30 days. Needs a week of readings.
What a business may do with it
PermissiveBSD-3-Clause
Use, change and sell it, including inside a closed product. Keep the copyright notice.
This describes the licence family GitHub identified, not legal advice about this project. The repository’s own LICENSE file is what binds you.
Run it yourself
Docker Compose, quoted from FlagSmith’s own README as written. We have not run it, and most projects expect you to set secrets or a database before production use.
curl -o docker-compose.yml https://raw.githubusercontent.com/Flagsmith/flagsmith/main/docker-compose.yml docker-compose -f docker-compose.yml up
FlagSmith against the other open-source options
Every project offered against LaunchDarkly, most-starred first.
| Project | Stars | Activity | Licence | Self-host | Language |
|---|---|---|---|---|---|
 Unleash | 13,883 | Active | Network copyleft | Compose | TypeScript |
 GrowthBook | 8,508 | Active | Not identified | Compose | TypeScript |
 FlagSmith (this page) | 6,600 | Active | Permissive | Compose | Python |
 Flipt | 4,922 | Active | Not identified | Docker | Go |
 FeatBit | 1,945 | Active | Permissive | Compose | C# |
Where this page comes from
- Stars, licence, activity, issues, releases and the self-host command are read from the repository. 2026-10-19
- The pairing with LaunchDarkly and the category come from opensourcealternative.to, a community directory of open-source alternatives. We re-read it weekly.
- Star momentum comes from our own daily readings of the repository. How we collect data