Oauth2 GitHub Repositories (2026) · Open Source Tools

Auth0 SDK for Apple platforms

FerrisKey is an open-source IAM solution designed for modern cloud-native environments, high-performance and written in Rust.

Security library for Play framework 2/3 in Java and Scala: OpenID Connect, SAML2, CAS, OAuth, LDAP, JWT...

.NET client for the Auth0 Authentication & Management APIs.

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.

Authorization Server Implementation in Java supporting OAuth 2.0 & OpenID Connect

SSO authentication provider for the auth_request nginx module

A secure, high-performance, multi-tenant platform for remote App ”Hosting“ and ”Computing“

Goiabada is an OAuth2 / OpenID Connect server written in Go.

Cloudflare Workers script that allows Sveltia CMS users to authenticate with GitHub.

A comprehensive security repo for modern Java backend applications. The only identity provider you’ll ever need.

Duende's Free and Open Source software.

A modern, actively maintained PHP client for the Asana API — replacing the deprecated official library.

Security engine for Java (authentication, authorization, multi frameworks): OpenID Connect, SAML2, CAS, OAuth, LDAP, JWT...

Security library for Sparkjava: OpenID Connect, SAML2, CAS, OAuth, LDAP, JWT...

Security library for Spring Web MVC: OpenID Connect, SAML2, CAS, OAuth, LDAP, JWT...

GLPI plugin for Single Sign-On authentication using OAuth 2.0 and OpenID Connect.

Security library for Vert.x: OpenID Connect, SAML2, CAS, OAuth, LDAP, JWT...

A WordPress plugin that provides Headless login and authentication for WPGraphQL, supporting traditional passwords, OAuth2/OpenID Connect, JWT, and more.

AWS Cognito authentication for NestJS: JWT guards, groups and OAuth scopes, GraphQL, WebSockets and microservices.