authgear-server
Open source Auth0/Clerk/Firebase alternative. Passkeys, SSO, MFA, passwordless, biometric login. Self-hosted or cloud. Enterprise-ready for SaaS & mobile apps
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authgear-server vs pac4j
5 of 12 recorded facts differ. Everything below is source-reported with a capture date. Niched has not published a buyer verdict for this pair, so nothing here declares a winner. A winner only exists inside a defined buyer niche with stated constraints.
pac4j
Security engine for Java (authentication, authorization, multi frameworks): OpenID Connect, SAML2, CAS, OAuth, LDAP, JWT...
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Show all 12 rows| Fact | authgear-server | pac4j |
|---|---|---|
| GitHub stars | 1.9K | 2.5K |
| Forks | 126 | 711 |
| Open issues | 365 | 1 |
| Last commit | 4 days ago | yesterday |
| Primary language | Go | Java |
Where both compete
Both products are placed in Auth & user management. A category organises the market; it carries no score. See all authgear-server alternatives.