Authentication is the process of determining whether someone or something is, in fact, who or what it says it is. Authentication technology provides access control for systems by checking to see if a user's credentials match the credentials in a database of authorized users or in a data authentication server.
Apereo CAS - Identity & Single Sign On for all earthlings and beyond.
A demo for using JWT (Json Web Token) with Spring Security and Spring Boot 2
Full Stack Polls App built using Spring Boot, Spring Security, JWT, React, and Ant Design
Sample project on how to implement JWT security based using Spring boot 3 and Spring security 6
A distributed single-sign-on framework.（分布式单点登录框架XXL-SSO）
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.
Spring Boot React OAuth2 Social Login with Google, Facebook, and Github
Security engine for Java (authentication, authorization, multi frameworks): OAuth, CAS, SAML, OpenID Connect, LDAP, JWT...
JWT auth service using Spring Boot, Spring Security and MySQL
Apereo Java CAS Client
The best authentication plugin for the Bukkit/Spigot API!
Open source alternative to Auth0 / Firebase Auth / AWS Cognito
An authentication plugin for Play Framework 2.x (Java)
SBS3 — A sample SAML 2.0 Service Provider built on Spring Boot.
🗝️MaxKey SSO ,Leading-Edge IAM-IDaas(Identity and Access Management) Product，业界领先的IAM-IDaas身份管理和认证产品,支持OAuth2.x、OpenID Connect、SAML2.0、JWT、CAS、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。
Provide Fingerprint, Touch ID, and Face ID Scanner for React Native (Compatible with both Android and iOS)
Registration and Login Example with Spring Security, Spring Boot, Spring Data JPA, HSQL, JSP
Firebase Admin Java SDK
RestSpringMVCDemo项目是一个基于Spring的符合REST风格的项目，具有MVC分层结构并实现前后端分离。该项目体现了一个具有REST风格项目的基本特征，即具有统一响应结构、 前后台数据流转机制(HTTP消息与Java对象的互相转化机制)、统一的异常处理机制、参数验证机制、Cors跨域请求机制以及鉴权机制。
Registration and Login Example with Spring MVC, Spring Security, Spring Data JPA, XML Configuration, Maven, JSP, and MySQL.