head to head · open source
Flagsmith vs FeatBit
Flagsmith has 6,638 GitHub stars, 595 forks, 711 open issues and last shipped yesterday. FeatBit has 1,954 stars, 150 forks, 26 open issues and last shipped yesterday. Flagsmith leads on adoption by 240% (6,638 vs 1,954 stars). Flagsmith is written in Python under BSD-3-Clause; FeatBit is written in C# under MIT. Flagsmith has attracted 9% as many forks as stars, FeatBit 8%. 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-management, feature-toggles), 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 | FeatBit | |
|---|---|---|
| GitHub stars | ★ 6.6K | ★ 2.0K |
| License | BSD-3-Clause | MIT |
| Written in | Python | C# |
| Last push | 2026-11-02 | 2026-11-02 |
| Forks | ⑂ 595 | ⑂ 150 |
| 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 FeatBit if
- You want the FeatBit feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches C#
- You evaluated both and FeatBit fits your workflow better
About Flagsmith
Try our interactive demo Flagsmith is an Open Source Feature Flagging Tool to Ship Faster & Control Releases Change the way your team releases software. Roll out, segment, and optimise—with granular control. Stay secure with on premise and private cloud hosting. Feature flags: Release features behind the safety of a feature flag Make changes remotely: Easily toggle individual features on and off, and make changes without deploying new code A/B testing: Use segments to run A/B and multivariate tests on new features Segments: Release features to beta testers, collect feedback, and iterate Organisation management…
read the full Flagsmith overview →
About FeatBit
Documentation Community (Discord) LinkedIn Email Try FeatBit Online Try FeatBit immediately with our online demo. The video below shows you how to get started quickly. About FeatBit FeatBit is an open source feature flags management tool that empowers developers: Ship Code Safely . Mitigate risks with Production Testing, roll out features to 1% of users initially then expanding progressively, and ensure instant error recovery without redeployment. Targeted Experiences . Giving you control over who sees each feature and when they see it. Release features to specific target users, and continuously measure and…
read the full FeatBit overview →
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Frequently asked questions
Is Flagsmith or FeatBit more popular?
Flagsmith has 6,638 GitHub stars and FeatBit has 1,954. Flagsmith has the larger community by that measure.
Are Flagsmith and FeatBit free?
Both are open source. Flagsmith is licensed under BSD-3-Clause and FeatBit under MIT. Neither carries a licence fee.
What is the difference between Flagsmith and FeatBit?
Flagsmith is written in Python and FeatBit in C#. 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 FeatBit?
Choose Flagsmith if you want the larger community (6,638 stars) or its BSD-3-Clause licence terms. Choose FeatBit if its feature set, stack or MIT licence fits better. Both are self-hostable.