Best Open Source Identity & Access Management

ZITADEL

The best of Auth0 and Keycloak combined.

★ 15,186 Updated: Oct 2026 Status: Active

Ballerine

Open-source infrastructure for user identity and risk management

★ 2,348 Updated: Jan 2026 Status: Slowing

BoxyHQ

Open-source security building blocks

★ 2,201 Updated: Jan 2026 Status: Slowing

S

Samba

The standard Windows interoperability suite of programs for Linux and Unix.

Status: Unknown

U

Univention Corporate Server

The open source alternative to Microsoft Windows Server.

Status: Unknown