Stack Auth vs Tinyauth
Comparing two open source alternatives to Auth0. Use the comparison below to decide which one fits your needs.
Stack Auth
AGPL-3.0Open-source authentication platform for Next.js and React, built as an alternative to Auth0 and Clerk.
Tinyauth
AGPL-3.0The tiniest OpenID Certified self-hosted authentication and authorization server, with OAuth, OIDC, LDAP, 2FA, and Traefik/Nginx/Caddy middleware support.
Side-by-side comparison
| Stack Auth | Tinyauth | |
|---|---|---|
| License | AGPL-3.0 | AGPL-3.0 |
| Self-hostable | Yes | Yes |
| GitHub Stars | 6,843 | 8,182 |
| Forks | 523 | 265 |
| Open Issues | 71 | 29 |
| Last Commit | Aug 28, 2026 | Aug 28, 2026 |
| First Released | Feb 28, 2024 | Jan 19, 2025 |
| Categories | ||
| Tags |
GitHub stars over time
GitHub stars over time
Stack Auth6,843
Tinyauth
Similar open source alternatives
Keycloak
Open-source identity and access management with SSO, OAuth2, OIDC, and SAML support for modern applications.
Alternative to: 
Auth0
Auth0
Authentik
Open source identity provider and SSO solution that replaces Auth0 and Okta with a self-hostable, flexible authentication platform.
Alternative to: Auth0
Auth0
SuperTokens
Open-source authentication solution, an alternative to Auth0 and Firebase Auth that you can self-host.
Alternative to: Auth0
Auth0