authorization

authentik

+106

The authentication glue you need.

zitadel

+69

ZITADEL - Identity infrastructure, simplified for you.

logto-io/logto

+58

🧑‍🚀 Authentication and authorization infrastructure for SaaS and AI apps, built on OIDC and OAuth 2.1 with multi-tenancy, SSO, and RBAC.

openfga

+34

A high-performance and flexible authorization/permission engine built for developers and inspired by Google Zanzibar.

opa

+17

Open Policy Agent (OPA) is an open source, general-purpose policy engine.

spicedb

+9

Open Source, Google Zanzibar-inspired database for scalably storing and querying fine-grained authorization data

caddy-security

+9

🔐 Authentication, Authorization, and Accounting (AAA) App and Plugin for Caddy v2. 💎 Implements Form-Based, Basic, Local, LDAP, OpenID Connect, OAuth 2.0 (Github, Google, Facebook, Okta, etc.), SAML Authentication. MFA/2FA with App Authenticators and Yubico. 💎 Authorization with JWT/PASETO tokens. 🔐

apache/casbin

+10

Apache Casbin: an authorization library that supports access control models like ACL, RBAC, ABAC.

Sa-Token

+11

✨ 开源、免费、一站式 Java 权限认证框架，让鉴权变得简单、优雅！—— 登录认证、权限认证、分布式 Session 会话、微服务网关鉴权、SSO 单点登录、OAuth2.0 统一认证、jwt 集成、API Key 秘钥授权、API 参数签名