logto-io/logto
🧑🚀 Authentication and authorization infrastructure for SaaS and AI apps, built on OIDC and OAuth 2.1 with multi-tenancy, SSO, and RBAC.
Build with Backblaze B2
SDKs, agent skills, IDE extensions, and reference pipelines from Backblaze Labs. All open source.
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Where it stands
Rank, growth pace and release cadence relative to everything GStars tracks.
Ranks #19 of 3,103 repositories GStars tracks this week (top 1%).
4 releases in the last 90 days, the latest 10 days ago, with 119 contributors on GitHub.
The biggest single-day gain in the last year, +484 stars on Jun 30, coincided with release v1.41.0.
Use Cases & Benefits
- Provides authentication and authorization infrastructure for SaaS and AI applications using OIDC, OAuth 2.1, multi-tenancy, SSO, and RBAC.
- Simplifies complex auth protocols with ready-to-use multi-tenancy, enterprise SSO, and role-based access control out-of-the-box.
- Use for building secure, scalable SaaS platforms requiring multi-tenant user management and enterprise single sign-on.
- Use for integrating modern AI or agent-based applications with seamless authentication and authorization flows.
- Use for implementing customizable sign-in experiences including social login, MFA, passwordless, and SAML support across diverse frameworks.
Should you depend on it?
License terms, project hygiene and risks, from GitHub metadata and GStars' snapshots.
License
Mozilla Public License 2.0
Weak copyleft: changes to the licensed code itself must be shared when you distribute it, but code that merely uses it can stay under your own license.
Community files
- README: present
- Contributing guide: present
- Code of conduct: present
Watch-outs
No watch-outs from GStars' checks.
General guidance from repository metadata, not legal advice. How we score
From the README
Logto is the modern, open-source auth infrastructure for SaaS and AI apps.
It takes the pain out of OIDC and OAuth 2.1 and makes it easy to build secure, production-ready auth with multi-tenancy, enterprise SSO, and RBAC.
Built for teams scaling SaaS, AI, and agent-based platforms without the usual auth headaches.
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Daily snapshots
Stars gained per day, and how forks and open issues moved, from GStars' daily snapshots
+534 stars over 90 days across 8 snapshot days; best day +3 on Jul 27.
Forks
1.2K+136
Open issues
148-32
Compared with peers in Authentication
Fastest-growing repositories GStars tracks in this cohort for the week of Oct 18, by 7-day star growth
| Repository | Stars | +7d | Health | Last release |
|---|---|---|---|---|
| googleworkspace/cli | 31.8K | +274 | 75 | 206 days ago |
| supabase/supabase | 113.8K | +0 | 75 | 77 days ago |
| better-auth/better-auth | 30.4K | +0 | 75 | 1 day ago |
| logto-io/logto | 14.8K | +0 | 75 | 10 days ago |
| ory/kratos | 13.9K | +0 | 75 | 211 days ago |
| azukaar/Cosmos-Server | 6.2K | +0 | 75 | 11 days ago |
| Category median | 30.4K | +0 | 75 | — |
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