Rauthy is a lightweight and easy to use Identity Provider supporting OpenID Connect, OAuth 2.0 and PAM. It aims to be simple to both set up and operate, with very secure defaults and lots of config options, if you need the flexibility.


AuthKit is described as 'Radix-powered open source authentication UI built for effortless customizations. User Management the backend platform handling email verification, account linking, bot blocking, organization modeling, and more' and is an app in the security & privacy category. There are more than 25 alternatives to AuthKit for a variety of platforms, including Web-based, SaaS, Self-Hosted, Android and iPhone apps. The best AuthKit alternative is VoidAuth, which is both free and Open Source. Other great apps like AuthKit are Keycloak, ZITADEL , Hanko and Stack Auth.
Rauthy is a lightweight and easy to use Identity Provider supporting OpenID Connect, OAuth 2.0 and PAM. It aims to be simple to both set up and operate, with very secure defaults and lots of config options, if you need the flexibility.


No-code authentication service. Octauthent can help you secure any website with a login form, without a single line of code.




FusionAuth is an auth for any app. Get everything you need for secure registration and user management in minutes. Single-tenant, on-prem or private cloud, custom emails with localization, social login, and more.




Frontegg is a developer platform that enables product-led-growth through a customer-facing user-management interface embedded seamlessly within any product.




Ory builds cloud-native authentication (login), authorization (permission), delegation (OAuth2, OpenID Connect), and user management software. You can deploy what you need yourself or use the Ory Network and get started in minutes.
Identity Cloud is a full end-to-end identity as a service (IDaaS) CIAM solution that enables companies to implement enterprise-grade identity management in a fast, flexible way. Engineered with a cloud-native architecture, the solution intelligently scales with application...
HelloID is a cloud-based Identity & Access Management (IAM) solution. It has functionality that includes automated self service, provisioning, password reset, among other modules.
A no-code CIAM, reimagined for collaboration. It empowers developers, marketing, and operations to work together on the customer identity experience, resulting in faster innovation and user journeys.



Userfront makes it easy to add authentication, access control, SSO, and multi-tenancy to any web application.



CentralAuth is an authentication service that provides user login functionality for web applications. The platform implements security protocols and authentication flows, allowing development teams to integrate user authentication without building these systems internally.

SuperTokens is an open source user authentication solution. Using SuperTokens, developers can add secure, hassle free auth to their mobile application or website in less than a day. It is an alternative to Auth0, Firebase Auth and AWS Cognito.



