dromara / Sa-Token
✨ 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
dromara / Sa-Token
supertokens / supertokens-core
Open source alternative to Auth0 / Firebase Auth / AWS Cognito
apereo / cas
Apereo CAS - Identity & Single Sign On for all earthlings and beyond.
pig-mesh / pig
↥ ↥ ↥ Follow for updates An RBAC permission management system based on Spring Cloud 2025, Spring Boot 4, and OAuth2.
pac4j / pac4j
Security engine for Java (authentication, authorization, multi frameworks): OpenID Connect, SAML2, CAS, OAuth, LDAP, JWT...
a466350665 / smart-sso
SpringBoot SSO 单点登录 认证授权，OAuth2实现，支持跨域、分布式部署
FormidableLabs / react-native-app-auth
React native bridge for AppAuth - an SDK for communicating with OAuth2 providers
dromara / MaxKey
Dromara MaxKey 🗝️ SSO ,Leading-Edge IAM-IDaas(Identity and Access Management) Product , Under Apache-2.0 is free ，业界领先的IAM-IDaas身份管理和认证产品，遵循Apache-2.0开源免费，支持OAuth2.x、OpenID Connect、SAML2.0、CAS、JWT、SCIM等SSO标准协议，基于RBAC统一权限控制，实现用户生命周期管理，开源、安全、合规、自主可控。
spring-guides / tut-spring-security-and-angular-js
Spring Security and Angular:: A tutorial on how to use Spring Security with a single page application with various backend architectures, ranging from a simple single server to an API gateway with OAuth2 authentication.
mateaix / matecloud
🔥MateCloud是一款基于Spring Cloud Alibaba的微服务架构。目前已经整合Spring Boot 4.0.8、 SpringCloud 2025、Spring Cloud Alibaba 2025、Spring AI 2.0.1、Spring Security Oauth2、Feign、Dubbo、JetCache、RocketMQ等，支持多租户的低代码平台，Saas平台开发套件
cloudfoundry / uaa
CloudFoundry User Account and Authentication (UAA) Server
bbottema / simple-java-mail
Simple API, Complex Emails (Jakarta Mail smtp wrapper)
OpenIdentityPlatform / OpenAM
OpenAM is an open-source access management solution for identity authentication, authorization, and federation. It provides single sign-on, adaptive authentication, and centralized policy control, enabling secure access to web, mobile, and cloud applications
wso2 / product-is
Welcome to the WSO2 Identity Server source code! For info on working with the WSO2 Identity Server repository and contributing code, click the link below.
ch4mpy / spring-addons
OAuth2 / OIDC for Spring backends of SPAs and mobile apps: the Spring Security beans the official starters leave to you (authorities, CORS, 2xx/401 for fetch, CSRF cookie, validated redirects, logout, one refresh flow at a time), as properties.
googleapis / google-oauth-java-client
Google OAuth Client Library for Java
membrane / api-gateway
API Gateway bridging modern and legacy APIs with WSDL-to-OpenAPI, SOAP-to-REST, XML, OAuth2, and GraphQL.
JanssenProject / jans
The Janssen Project is a home for open source IAM components, featuring Auth Server (OAuth/OpenID), Agama low-code identity orchestration, and the Cedarling policy decision point. The "Janssen Server" distributions bundle IAM components under one control plane.
bage2014 / study
Java全栈工程师学习笔记；Spring、shiro、CAS、oauth2单点登录；cache 、Redis; web 安全及解决思路；redis、mq、quartz、docker；Docker各种组件实践等；mybatis、spring、spring boot实践；分布式锁；基于分库分表等等；Java full-stack engineer study notes; Spring, shiro, CAS, oauth2 single sign-on; cache, Redis; web security and solutions; redis, mq, quartz, docker; Docker various component practices, etc.;
nvxtien / emporia
Emporia is a microservices-based trading platform built with Spring Boot, React and PostgreSQL, featuring real-time market data, order management, execution strategies, and OAuth2 security.