Authorization is the process of granting or denying permissions based on rules. This should not be confused with authentication, which is the act of verifying someone’s identitiy.
An authorization library that supports access control models like ACL, RBAC, ABAC in Golang: https://discord.gg/S5UjpzGZjN
The authentication glue you need.
一个轻量级 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、单点登录、OAuth2.0
Internet-scale OpenID Certified™ OpenID Connect and OAuth2.1 provider that integrates with your user management through headless APIs. Solve OIDC/OAuth2 user cases over night. Consume as a service on Ory Network or self-host. Trusted by OpenAI and many others for scale and security. Written in Go.
ZITADEL - Identity infrastructure, simplified for you.
Apereo CAS - Identity & Single Sign On for all earthlings and beyond.
Expose your FastAPI endpoints as Model Context Protocol (MCP) tools, with Auth!
🧑🚀 Authentication and authorization infrastructure for SaaS and AI apps, built on OIDC and OAuth 2.1 with multi-tenancy, SSO, and RBAC.
Open Policy Agent (OPA) is an open source, general-purpose policy engine.
CASL is an isomorphic authorization JavaScript library which restricts what resources a given user is allowed to access
Open Source, Google Zanzibar-inspired database for scalably storing and querying fine-grained authorization data
An open-source authorization as a service inspired by Google Zanzibar, designed to build and manage fine-grained and scalable authorization systems for any application.
Doorkeeper is an OAuth 2 provider for Ruby on Rails / Grape.
Policy and data administration, distribution, and real-time updates on top of Policy Agents (OPA, Cedar, ...)
The Developer Platform for Modern APIs
Orchestrate end-to-end encryption, cryptographic identities, mutual authentication, and authorization policies between distributed applications – at massive scale.
A binary authorization and monitoring system for macOS
A high performance and flexible authorization/permission engine built for developers and inspired by Google Zanzibar
An unified permissions API for React Native on iOS, Android and Windows.