head to head
Auth0 vs Logto
Logto is the open source alternative to Auth0 — identity and access management platform. Here is the honest comparison.
Yes — Logto is a viable free replacement for Auth0. Logto is open source under MPL-2.0, written in TypeScript, with 14,580 GitHub stars, 1,206 forks and 183 open issues; it was last pushed 10 hours ago. Auth0 costs from $35, while self-hosting Logto carries no licence fee — the trade is your operational time instead of a subscription. 2 other open source Auth0 alternatives are tracked here, led by Keycloak at 36,832 stars. Logto ranks #3 of 3 tracked open source Auth0 alternatives by stars. The tracked set, by adoption: Keycloak (36,832 stars), Authentik (25,600 stars). Replacement criteria on this page: 4 reasons to move to Logto and 3 reasons to stay on Auth0.
choose Logto if
- Your Auth0 bill is growing with seats or usage
- You need your data in a format and server you control
- Your compliance posture requires auditing the code that touches sensitive data
- You have (or can rent) a server and basic Docker comfort
stick with Auth0 if
- You need the polished onboarding and support SLAs of a commercial vendor
- Your team has zero capacity to operate software, even self-hosted-simple
- You depend on a Auth0 integration ecosystem that the OSS alternatives have not replicated
Side by side
| Logto (open source) | Auth0 | |
|---|---|---|
| Price | Free (self-hosted) | $35-$240/month |
| License | MPL-2.0 | Proprietary |
| Source code | Public, auditable | Closed |
| Self-hosting | Yes — logto-io/logto | Cloud only |
| Data ownership | Your server, your format | Vendor's cloud |
| Community | ★ 15K · ⑂ 1.2K | — |
| Built with | TypeScript | — |
Why people look for a Auth0 alternative
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 →
Other open source alternatives to Auth0
last updated nightly · ranking method: github stars, live-tracked
Frequently asked questions
Is Logto a good replacement for Auth0?
Logto is an open source alternative to Auth0 (Identity and access management platform). It is written in TypeScript and licensed under MPL-2.0, with 14,580 GitHub stars.
Is Logto free compared to Auth0?
Yes. Logto is open source — there is no licence fee, and you can self-host it. Auth0 is typically a paid subscription, so the trade-off is licence cost against the operational work of running it yourself.
How do I migrate from Auth0 to Logto?
Migration effort depends on the data formats involved. Check Logto's documentation for import options, and compare the feature table above to confirm the capabilities you depend on are covered before switching.