Simple, unobtrusive authentication for Node.js.

Authentication for the Web.

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

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

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

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.

Authentication, simple and clean

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

A spec compliant, secure by default PHP OAuth 2.0 Server

Laravel wrapper around OAuth 1 & OAuth 2 libraries.

Simple OAuth library for Java

Auth and User Management for the passkey era. An open source alternative to Auth0 and Clerk.

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

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

A single API for all your integrations.

OAuth Proxy

Easy integration with OAuth 2.0 service providers.