head to head · open source
Logto vs privacyidea
Logto has 14,599 GitHub stars, 1,212 forks, 183 open issues and last shipped today. privacyidea has 1,774 stars, 361 forks, 193 open issues and last shipped yesterday. Logto leads on adoption by 723% (14,599 vs 1,774 stars). Logto is written in TypeScript under MPL-2.0; privacyidea is written in Python under AGPL-3.0. Logto has attracted 8% as many forks as stars, privacyidea 20%. Logto was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 2 topic tags (authentication, mfa), 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
| Logto | privacyidea | |
|---|---|---|
| GitHub stars | ★ 15K | ★ 1.8K |
| License | MPL-2.0 | AGPL-3.0 |
| Written in | TypeScript | Python |
| Last push | 2026-09-20 | 2026-09-19 |
| Forks | ⑂ 1.2K | ⑂ 361 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick Logto if
- You weight community size — 15K stars and counting
- You want the MPL-2.0 license terms
- Your stack matches TypeScript
- You value the larger contributor base for long-term maintenance
pick privacyidea if
- You want the privacyidea feature set and don't need the biggest community
- You prefer the AGPL-3.0 license terms
- Your stack matches Python
- You evaluated both and privacyidea fits your workflow better
About Logto
Logto is an open source authentication and authorization infrastructure for SaaS and AI applications. It is written in TypeScript, licensed under MPL 2.0, and positioned as an open alternative to Auth0. The project sits in the identity and access management ecosystem, where it provides a central service for login, consent, tokens, user directories, and access control.
read the full Logto overview →
About privacyidea
privacyIDEA is an open source, self hosted multi factor authentication platform, written in Python and licensed under AGPL 3.0, for organisations that need to add a second factor to many different applications at once while keeping sensitive user data inside their own infrastructure.
read the full privacyidea overview →
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Frequently asked questions
Is Logto or privacyidea more popular?
Logto has 14,599 GitHub stars and privacyidea has 1,774. Logto has the larger community by that measure.
Are Logto and privacyidea free?
Both are open source. Logto is licensed under MPL-2.0 and privacyidea under AGPL-3.0. Neither carries a licence fee.
What is the difference between Logto and privacyidea?
Logto is written in TypeScript and privacyidea 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, Logto or privacyidea?
Choose Logto if you want the larger community (14,599 stars) or its MPL-2.0 licence terms. Choose privacyidea if its feature set, stack or AGPL-3.0 licence fits better. Both are self-hostable.