head to head · open source
Infisical vs Flagsmith
Infisical has 29,296 GitHub stars, 2,261 forks, 789 open issues and last shipped yesterday. Flagsmith has 6,559 stars, 568 forks, 711 open issues and last shipped yesterday. Infisical leads on adoption by 347% (29,296 vs 6,559 stars). Infisical is written in TypeScript under a custom or non-standard licence; Flagsmith is written in Python under BSD-3-Clause. Infisical has attracted 8% as many forks as stars, Flagsmith 9%. Infisical was the more recently maintained of the two, and both are self-hostable with no licence fee.
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
| Infisical | Flagsmith | |
|---|---|---|
| GitHub stars | ★ 29K | ★ 6.6K |
| License | Custom / other | BSD-3-Clause |
| Written in | TypeScript | Python |
| Last push | 2026-09-17 | 2026-09-17 |
| Forks | ⑂ 2.3K | ⑂ 568 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick Infisical if
- You weight community size — 29K stars and counting
- You want the Custom / other license terms
- Your stack matches TypeScript
- You value the larger contributor base for long-term maintenance
pick Flagsmith if
- You want the Flagsmith feature set and don't need the biggest community
- You prefer the BSD-3-Clause license terms
- Your stack matches Python
- You evaluated both and Flagsmith fits your workflow better
About Infisical
Infisical is an open source platform for managing secrets, certificates, and privileged access within development teams. It operates in the security infrastructure space, targeting developers and DevOps engineers who need centralized, auditable control over sensitive configuration data. Built with TypeScript and Go, it provides both a self hosted option and a hosted cloud service.
read the full Infisical overview →
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 →
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Frequently asked questions
Is Infisical or Flagsmith more popular?
Infisical has 29,296 GitHub stars and Flagsmith has 6,559. Infisical has the larger community by that measure.
Are Infisical and Flagsmith free?
Both are open source. Infisical has no licence declared in this registry, and Flagsmith is licensed under BSD-3-Clause. Both are free to self-host.
What is the difference between Infisical and Flagsmith?
Infisical is written in TypeScript and Flagsmith in Python. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, Infisical or Flagsmith?
Choose Infisical if you want the larger community (29,296 stars) or its Custom / other licence terms. Choose Flagsmith if its feature set, stack or BSD-3-Clause licence fits better. Both are self-hostable.