Lago - Open Source Metering & Usage-Based Billing

Lago offers a self-hosted, scalable and modular architecture for metering and usage-based billing, at every stage of your company.

A new era of authentication

Simple, powerful authentication you can integrate with your product in minutes.

Ory Hydra - Open Source OAuth 2.0 and OpenID Connect Server

Open Source OAuth 2.0 and OpenID Connect Server - gethydra.sh.

Casdoor · An open-source UI-first IAM & SSO platform

Casdoor is an open-source UI-first Identity and Access Management (IAM) / Single-Sign-On (SSO) platform with web UI supporting OAuth 2.0, OIDC, SAML, CAS, LDAP, SCIM, WebAuthn, TOTP, MFA, RADIUS, Google Workspace, Active Directory and Kerberos

Welcome | authentik

Bring all of your authentication into a unified platform.

Authelia

Authelia is an open-source authentication and authorization server and portal fulfilling the identity and access management (IAM) role of information security in providing multi-factor authentication and single sign-on (SSO) for your applications via a web portal. It acts as a companion for common reverse proxies.

ZITADEL • Identity infrastructure, simplified for you

ZITADEL gives developers all they need to integrate identity management. Easy as pie. Ready when you are — because serverless. At yours or ours — because open source.

Keycloak

Keycloak is an open source identity and access management solution