logto
🧑🚀 Authentication and authorization infrastructure for SaaS and AI apps, built on OIDC and OAuth 2.1 with multi-tenancy, SSO, and RBAC.
Visit ↗Head to head
logto 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...
Visit ↗Every recorded fact
Show differences only| Fact | logto | pac4j |
|---|---|---|
| Official SDK installs, 30 days | Not recorded | Not recorded |
| SDK evidence captured | Not recorded | Not recorded |
| GitHub stars | 14.3K | 2.5K |
| Forks | 1.1K | 712 |
| Open issues | 173 | 1 |
| Last commit | yesterday | yesterday |
| Primary language | TypeScript | Java |
| License | Mozilla Public License 2.0 | Apache License 2.0 |
| Open source | Yes | Yes |
| Pricing model | Not recorded | Not recorded |
| Founded | Not recorded | Not recorded |
| Categories | Auth & user management | Auth & user management |
Where both compete
Both products are placed in Auth & user management. A category organises the market; it carries no score. See all logto alternatives.