Auth0
The established customer identity reference.
Visit ↗Head to head
Auth0 vs pac4j
9 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...
Visit ↗Differences only
Show all 12 rows| Fact | Auth0 | pac4j |
|---|---|---|
| Official SDK installs, 30 days | 5.6M | Not recorded |
| SDK evidence captured | 3 days ago | Not recorded |
| GitHub stars | Not recorded | 2.5K |
| Forks | Not recorded | 712 |
| Open issues | Not recorded | 1 |
| Last commit | Not recorded | yesterday |
| Primary language | Not recorded | Java |
| License | Not recorded | Apache License 2.0 |
| Open source | Not recorded | Yes |
Where both compete
Both products are placed in Auth & user management. A category organises the market; it carries no score. See all Auth0 alternatives.