Authentication for the Web.

Simple, unobtrusive authentication for Node.js.

The easiest, most secure way to use WireGuard and 2FA.

An authorization library that supports access control models like ACL, RBAC, ABAC in Golang: https://discord.gg/S5UjpzGZjN

OpenID Certified™ OpenID Connect and OAuth Provider written in Go - cloud native, security-first, open source API security for your infrastructure. SDKs for any language. Works with Hardware Security Modules. Compatible with MITREid.

Open source alternative to Auth0 / Firebase Auth / AWS Cognito

Self-Hosting Guide. Learn all about locally hosting (on premises & private web servers) and managing software applications by yourself or your organization. Including Cloud, LLMs, WireGuard, Automation, Home Assistant, and Networking.

An open-source UI-first Identity and Access Management (IAM) / Single-Sign-On (SSO) platform with web UI supporting OAuth 2.0, OIDC, SAML, CAS, LDAP, SCIM, WebAuthn, TOTP, MFA, Face ID, RADIUS, Google Workspace, Active Directory and Kerberos

Authentication, simple and clean

🧑‍🚀 The better identity infrastructure for developers and the open-source alternative to Auth0.

The C++ REST SDK is a Microsoft project for cloud-based client-server communication in native code using a modern asynchronous C++ API design. This project aims to help C++ developers connect to and interact with services.

A spec compliant, secure by default PHP OAuth 2.0 Server

Authentication and user management for the passkey era.

Laravel wrapper around OAuth 1 & OAuth 2 libraries.

Simple OAuth library for Java

Doorkeeper is an OAuth 2 provider for Ruby on Rails / Grape.

A single API for all your integrations.

The ultimate Python library in building OAuth, OpenID Connect clients and servers. JWS,JWE,JWK,JWA,JWT included.

OAuth Proxy

Easy integration with OAuth 2.0 service providers.