Authentication
Auth0: Auth0 is Okta's hosted login and identity platform for apps. These indie and open source picks cover SSO, passkeys and user management, many with self-hosting and generous free tiers. These tools do a similar job: indie picks from our Friday drops and open source projects, each one chosen by a person.
Updated How we pick
5 alternatives to Auth0
Free to use, and you can host them yourself
Open source single sign-on and two-factor portal for self-hosted web apps
Best for Self-hosters who want SSO and 2FA in front of their apps
authelia.com ↗GitHub ↗Free and open source (self-hosted)
Open source identity provider supporting OIDC SAML LDAP and proxy auth
Best for Teams self-hosting SSO for internal and customer apps
Building an alternative to Auth0?
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Submit your toolOpen source auth for SaaS and AI apps with OIDC SSO RBAC and multi-tenancy
Best for SaaS builders who want Auth0-style auth with a generous free tier
logto.io ↗GitHub ↗Free up to 50K MAU, Pro from $24/mo, OSS self-host
Simple self-hosted OpenID Connect provider that signs users in with passkeys
Best for Small teams who want passkey-only login for their own apps
pocket-id.org ↗GitHub ↗Free and open source (self-hosted)
Open source passkey-first authentication and user management
Best for Apps that want passkeys and social login without Auth0 pricing
hanko.io ↗GitHub ↗Free up to 10K MAU, Pro $29/mo, OSS self-host
