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Open-source alternatives to Auth0

Hosted login and user authentication service for apps.

5 open-source swaps108k GitHub stars between them

The open-source options, most starred first

Read from GitHub. Check the licence and what each one covers before you switch.

Open Source Identity and Access Management For Modern Applications and Services

Stars
37.4k
Last commit
10 days ago
Licence
Apache-2.0

The authentication glue you need.

Stars
26k
Last commit
9 days ago
Licence
Custom

Open source alternative to Auth0 / Firebase Auth / AWS Cognito

Stars
15.3k
Last commit
11 days ago
Licence
Custom

ZITADEL - Identity infrastructure, simplified for you.

Stars
15.3k
Last commit
11 days ago
Licence
AGPL-3.0

Headless cloud-native authentication and identity management written in Go. Scales to a billion+ users. Replace Homegrown, Auth0, Okta, Firebase…

Stars
13.9k
Last commit
3 months ago
Licence
Apache-2.0