Better Auth is a framework-agnostic authentication (and authorization) framework for TypeScript. It provides a comprehensive set of features out of the box and includes a plugin ecosystem that simplifies adding advanced functionalities with minimal code in a short amount of time.
authentik is an open-source Identity Provider (IdP) for modern SSO. It supports SAML, OAuth2/OIDC, LDAP, RADIUS, and more, designed for self-hosting from small labs to large production clusters.
Open Source Identity and Access Management For Modern Applications and Services
ZITADEL is an open-source identity and access management platform built for teams that need more than basic auth.
Define your contract with Schema, supply infrastructure with Layers, and call auth alongside your other Effects. The same contract connects your server to an Effect HttpClient service and Effect Atom queries and mutations.
Teleport provides connectivity, authentication, access controls and audit for infrastructure.
An open-source Agent-first Identity and Access Management (IAM) /LLM MCP & agent gateway and auth server with web UI supporting OpenClaw, MCP, OAuth, OIDC, SAML, CAS, LDAP, SCIM, WebAuthn, TOTP, MFA, Face ID, Google Workspace, Azure AD
Open Policy Agent (OPA) is an open source, general-purpose policy engine.
js. Parse Server works with the Express web application framework. It can be added to existing web applications, or run by itself.
✨ 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
🧑🚀 Authentication and authorization infrastructure for SaaS and AI apps, built on OIDC and OAuth 2.1 with multi-tenancy, SSO, and RBAC.
go-admin is a Gin + Vue starter kit for admin applications, supporting Element UI, Arco Design, and Ant Design. Features include multi-tenancy, user management, JWT authentication, RBAC, code generation, a form builder, and scheduled tasks.
0 Server and OpenID Connect Provider optimized for low-latency, high throughput, and low resource consumption. It connects to your existing identity provider through a login and consent app, giving you absolute control over the user interface and experience.
Pulsar is a distributed pub-sub messaging platform with a very flexible messaging model and an intuitive client API.
We invest a lot of resources into creating best in class open source packages. You can support us by buying one of our paid products.
Welcome to the home of the Central Authentication Service project, more commonly referred to as CAS.
OpenClaw Enterprise (OCE) is the open source, vendor neutral platform for managing agents. Think of it as Kubernetes for agents.
Apollo is a reliable configuration management system suitable for microservice configuration management scenarios.
循序渐进，学习Spring Boot、Spring Boot & Shiro、Spring Batch、Spring Cloud、Spring Cloud Alibaba、Spring Security & Spring Security OAuth2，博客Spring系列源码：
Apache RocketMQ is a cloud native messaging and streaming platform, making it simple to build event-driven applications.
Apache Casbin: an authorization library that supports access control models like ACL, RBAC, ABAC.
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A categorized community-driven collection of awesome Ruby libraries, tools, frameworks and software. The essential Ruby to build modern Apps and Web Apps.
Backend system based on node.js + Mongodb. 基于 node.js + Mongodb 构建的后台系统
The simplest way to use FastAPI-MCP is to add an MCP server directly to your FastAPI application:
NET Boilerplate will officially end in May 2026. NET Boilerplate. For those looking for an open-source alternative, we recommend migrating to ABP Framework.
🔐 JSON Web Token Authentication for Laravel & Lumen
Security engineering is the discipline of building secure systems.
Agent-Safe Pipeline is the reference implementation of the Execution Authority architecture: AI-agent actions execute only through an independent authorization boundary, and every authorization decision leaves a verifiable evidence record.