Authentication

The easiest way to add authentication and user management to your application. Purpose-built for React, Next.js, Remix, and “The Modern Web”.

Developer APIs / SDKs for enterprise-ready features like Single Sign-On (SSO/SAML), Passwordless Authentication, Directory Sync (SCIM), Audit Trail (SIEM), and more.

Keycloak is an open source identity and access management solution. Keycloak provides user federation, strong authentication, user management, fine-grained authorization, and more.

Authentication for Next.js. Open Source. Full Stack. Own Your Data.

FusionAuth is a scalable, identity and user management platform built for devs. Run it on any computer anywhere in the world.

Develop, secure, and manage user identities of your product. Logto is an Auth0 alternative for building modern customer identity infrastructure with minimal effort, for both your customers and their organizations

Frontegg is an end-to-end user management platform for B2B SaaS, powering strategies from PLG to enterprise readiness. Easy migration, no credit card required.

Authentication and user management platform. Create and customize user journeys for any app – from authentication and authorization to MFA and federation.

Secure and Simple User Management. Add secure and user friendly authentication, authorization and user management to your web and mobile apps in minutes.

Authorization as a Service. Drop Oso Cloud into your apps to quickly add roles, sharing, fine-grained access, or any other access model you can think of.

Social Login allows your customers login to your store with all comonly used Social Media platforms without the need of the registration.

Recognize people by the way they type. AI-based solution for risk-based authentication and fraud prevention. Use cases: Education, financial services and MFA.

You don’t have to roll your own auth. Use Magic and log your users in with just a few lines of code. Simple, secure, and passwordless. Try Magic for free!

Rapidly integrate authentication and authorization for web, mobile, and legacy applications so you can focus on your core business.