head to head · open source
Flagsmith vs Flipt
Flagsmith has 6,559 GitHub stars, 568 forks, 711 open issues and last shipped yesterday. Flipt has 4,902 stars, 308 forks, 42 open issues and last shipped yesterday. Flagsmith leads on adoption by 34% (6,559 vs 4,902 stars). Flagsmith is written in Python under BSD-3-Clause; Flipt is written in Go under a custom or non-standard licence. Flagsmith has attracted 9% as many forks as stars, Flipt 6%. Flagsmith was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 3 topic tags (feature-flags, feature-toggles, hacktoberfest), so they are genuine substitutes rather than adjacent tools.
Two open source projects, one decision. Both are free and self-hostable — the differences are community size, license terms, language stack and release pace.
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Side by side
| Flagsmith | Flipt | |
|---|---|---|
| GitHub stars | ★ 6.6K | ★ 4.9K |
| License | BSD-3-Clause | Custom / other |
| Written in | Python | Go |
| Last push | 2026-09-17 | 2026-09-17 |
| Forks | ⑂ 568 | ⑂ 308 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick Flagsmith if
- You weight community size — 6.6K stars and counting
- You want the BSD-3-Clause license terms
- Your stack matches Python
- You value the larger contributor base for long-term maintenance
pick Flipt if
- You want the Flipt feature set and don't need the biggest community
- You prefer the Custom / other license terms
- Your stack matches Go
- You evaluated both and Flipt fits your workflow better
About Flagsmith
Flagsmith is an open source feature flag and remote configuration platform, written in Python and released under the BSD 3 Clause licence, for engineering teams that need to toggle, segment and roll out features across web, mobile and server side applications without deploying new code.
read the full Flagsmith overview →
About Flipt
Flipt is an open source, Git native feature management platform written in Go and distributed under a NOASSERTION license. It lives in the cloud native and DevOps ecosystem, sitting alongside continuous delivery, GitOps, and developer tooling, and it exposes its functionality through gRPC and a gRPC gateway HTTP interface. The project is self hosted and enterprise oriented, with a homepage at flipt.io and documentation at docs.flipt.io. Version 2 is the current line; version 1 remains available on the main branch with its own documentation set.
read the full Flipt overview →
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Frequently asked questions
Is Flagsmith or Flipt more popular?
Flagsmith has 6,559 GitHub stars and Flipt has 4,902. Flagsmith has the larger community by that measure.
Are Flagsmith and Flipt free?
Both are open source. Flagsmith is licensed under BSD-3-Clause, and Flipt has no licence declared in this registry. Both are free to self-host.
What is the difference between Flagsmith and Flipt?
Flagsmith is written in Python and Flipt in Go. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, Flagsmith or Flipt?
Choose Flagsmith if you want the larger community (6,559 stars) or its BSD-3-Clause licence terms. Choose Flipt if its feature set, stack or Custom / other licence fits better. Both are self-hostable.