Best Self-hosted Authorization & Permissions Tools in 2026

Authentik

Take control of your identity with a secure, flexible solution

Stars
21,274
Forks
1,573
Last commit
9 hours ago

authentik is an open-source identity provider that offers self-hosted authentication, authorization, and user management for businesses of all sizes.

Open Source Alternative to:

Clerk

Zitadel

Secure, customizable identity infrastructure for developers

Stars
13,665
Forks
1,048
Last commit
23 hours ago

ZITADEL provides a comprehensive identity management solution with easy APIs, customizable workflows, and serverless deployment options.

Open Source Alternative to:

Supabase

Ory

A certified and battle-tested identity solution

Stars
13,611
Forks
1,129
Last commit
1 day ago

Ory is a certified and battle-tested identity solution backed by a large open source community and trusted by Fortune 500 companies.

Open Source Alternative to:

Clerk

Stack Auth

Open-source authentication and user management platform

Stars
6,773
Forks
512
Last commit
11 hours ago

Stack Auth provides secure authentication, authorization, and user management for developers in just 5 minutes.

Open Source Alternative to:

Clerk

Stars
Forks
Last commit

Stars
Forks
Last commit

Stars
Forks
Last commit

Stars
Forks
Last commit

Stars
Forks
Last commit

Stars
Forks
Last commit

Authentik

Take control of your identity with a secure, flexible solution

Stars
21,274
Forks
1,573
Last commit
9 hours ago

authentik is an open-source identity provider that offers self-hosted authentication, authorization, and user management for businesses of all sizes.

Open Source Alternative to:

Clerk

Zitadel

Secure, customizable identity infrastructure for developers

Stars
13,665
Forks
1,048
Last commit
23 hours ago

ZITADEL provides a comprehensive identity management solution with easy APIs, customizable workflows, and serverless deployment options.

Open Source Alternative to:

Supabase

Ory

A certified and battle-tested identity solution

Stars
13,611
Forks
1,129
Last commit
1 day ago

Ory is a certified and battle-tested identity solution backed by a large open source community and trusted by Fortune 500 companies.

Open Source Alternative to:

Clerk

Stack Auth

Open-source authentication and user management platform

Stars
6,773
Forks
512
Last commit
11 hours ago

Stack Auth provides secure authentication, authorization, and user management for developers in just 5 minutes.

Open Source Alternative to:

Clerk

Self-hosted Authorization & Permissions Tools

A curated collection of the best self-hosted systems for defining and enforcing access control policies.