ZITADEL
Open source identity platform for login, SSO and access roles
12 tools like Okta, chosen by what they do. About Okta

Open source identity platform for login, SSO and access roles

Login and identity flows for customers, partners and AI agents

Customer identity and access management, self-hosted or cloud

Open source identity and access management for apps and APIs


Open source auth platform for sign-in, SSO and roles

Self-hosted open source identity provider for SSO and MFA

APIs for adding single sign-on and enterprise features to apps

Open source user authentication with prebuilt login screens


Open source identity and access management with single sign-on

Open source TypeScript auth framework with login, OAuth and plugins