#authentication

A portable Java library for WebAuthn(Passkeys) server side verification

golang keycloak client

A modular JWT library for Go, based on IANA specifications.

CAS Authentication Middleware for OWIN & ASP.NET Core

Authgear authentication SDK for Single Page Applications (SPA) and JavaScript websites

Self-hosted authentication & authorization system (IAM: OAuth2 & OpenID Connect provider with realms, RBAC & ABAC policies, MFA (TOTP, passkeys, email OTP), identity federation (OIDC, LDAP) and session management.

Secure, cross-platform Git credential storage with authentication to GitHub, Azure Repos, and other popular Git hosting services.

Google Auth Library for PHP

Authentication Module for django rest auth

Authentication middleware for Mezzio and PSR-7 applications

LDAP client API for Python

A Harper plugin for OAuth 2.0 and OpenID Connect authentication with multi-provider support.

A One Time Password Authentication package, compatible with Google Authenticator.

A suite of functions and tools to handle tokens

Codex CLI multi-account OAuth manager with account switching, health checks, runtime rotation, diagnostics, and recovery tools for @openai/codex

A zero config, framework free Netlify Identity widget

A powerful, open-source RADIUS server designed for ISPs, enterprise networks, and carriers. Supports standard RADIUS protocols, a full EAP / 802.1X authentication suite (EAP-TLS, PEAPv0/EAP-MSCHAPv2, EAP-TTLS), RadSec (RADIUS over TLS), and a modern Web management interface.

JavaScript SDKs for building applications with Asgardeo

Laravel SDK for Auth0 Authentication and Management APIs.

Access the Clerk Backend API from Ruby

Golang gRPC Middlewares: interceptor chaining, auth, logging, retries and more.

Library to integrate Kinde into an Expo project

Convex integration for Nuxt with SSR, real-time subscriptions, and authentication.

HTTP Basic Authentication adapter for mezzio-authentication.

Node.js SDK for Scalekit — auth stack for agents. SAML, OIDC, SCIM, MCP Auth, agent auth, tool-calling.

Use one time passwords (OTP) to authenticate in your Laravel app

REST implementation of Django authentication system.

ReactJS authentication module for SuperTokens

A spec compliant, secure by default PHP OAuth 2.0 Server

Repository containing Rust tooling to interact with the Turnkey API