head to head · open source
Unleash vs FeatBit
Unleash has 13,924 GitHub stars, 919 forks, 39 open issues and last shipped yesterday. FeatBit has 1,954 stars, 150 forks, 26 open issues and last shipped yesterday. Unleash leads on adoption by 613% (13,924 vs 1,954 stars). Unleash is written in TypeScript under AGPL-3.0; FeatBit is written in C# under MIT. Unleash has attracted 7% as many forks as stars, FeatBit 8%. Unleash was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 4 topic tags (continuous-delivery, feature, feature-flags, 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
| Unleash | FeatBit | |
|---|---|---|
| GitHub stars | ★ 14K | ★ 2.0K |
| License | AGPL-3.0 | MIT |
| Written in | TypeScript | C# |
| Last push | 2026-11-02 | 2026-11-02 |
| Forks | ⑂ 919 | ⑂ 150 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick Unleash if
- You weight community size — 14K stars and counting
- You want the AGPL-3.0 license terms
- Your stack matches TypeScript
- 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 Unleash
Launch the live demo Try Unleash Enterprise for free What is Unleash? Unleash is a powerful open source solution for feature management. It streamlines your development workflow, accelerates software delivery, and empowers teams to control how and when they roll out new features to end users. With Unleash, you can deploy code to production in smaller, more manageable releases at your own pace. Feature flags in Unleash let you test your code with real production data, reducing the risk of negatively impacting your users' experience. It also enables your team to work on multiple features simultaneously without the…
read the full Unleash 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 Unleash or FeatBit more popular?
Unleash has 13,924 GitHub stars and FeatBit has 1,954. Unleash has the larger community by that measure.
Are Unleash and FeatBit free?
Both are open source. Unleash is licensed under AGPL-3.0 and FeatBit under MIT. Neither carries a licence fee.
What is the difference between Unleash and FeatBit?
Unleash is written in TypeScript 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, Unleash or FeatBit?
Choose Unleash if you want the larger community (13,924 stars) or its AGPL-3.0 licence terms. Choose FeatBit if its feature set, stack or MIT licence fits better. Both are self-hostable.