frauth - Command line tool to verify the identity of friends in a decentralized manner.
BitAuth - Simple, Secure, Passwordless Login.
samlify - Highly configuarable Node.js SAML 2.0 library for Single Sign On.
OAuth2 Proxy - Reverse proxy that provides authentication with Google, Github or other providers.
Authelia - Single Sign-On Multi-Factor portal for web apps.
DID - Identity Provider, that authenticates users by verifying access to either an email address or securely stored private key.
WebAuthn Awesome - Curated list of awesome WebAuthn/FIDO2 resources.
React Google Login - Google oAUth Sign-in / Log-in Component for React.
Feather - Lightweight identity platform for adding flexible user authentication and authorization flows to your apps.
AppAuth - iOS and macOS SDK for communicating with OAuth 2.0 and OpenID Connect providers.
Magic Link - Drop passwords. Use magic links.
JustAuthenticateMe - Passwordless email-based authentication for your web app.
loginsrv - Standalone minimalistic login server providing a JWT login for multiple login backends.
TokenCLI - Command line utility for interacting with OAuth2 infrastructure to generate tokens.
Decentralized Identifiers (DIDs) - New type of identifier that enables verifiable, decentralized digital identity.
jwt - Golang implementation of JSON Web Tokens (JWT) that helps you avoid common security mistakes.
openidconnect-rs - OpenID Connect Library for Rust.
OAuth2 Rust - Extensible, strongly-typed Rust OAuth2 client library.
Auth Boss - Learn about different authentication methodologies on the web.
jwt.ms - Decode auth tokens.
yup-oauth2 - Utility library which implements several OAuth 2.0 flows. It's mainly used by google-apis-rs, to authenticate against Google services.
AuthGuardian by OneGraph - Secure your GraphQL API.
Pass - Identity app for fintech applications.