Open Source Identity and Access Management for modern Applications and Services.




Userbase is described as 'The easiest way to add user accounts and data persistence to your static site. All Userbase features are accessible through a very simple JavaScript SDK, directly from the browser. No backend necessary' and is an app in the backup & sync category. There are eight alternatives to Userbase for a variety of platforms, including SaaS, Self-Hosted, Web-based, Linux and Discord apps. The best Userbase alternative is Keycloak, which is both free and Open Source. Other great apps like Userbase are Subscord, Authorizer (authentication), Sublyna and MemberStack.
Open Source Identity and Access Management for modern Applications and Services.




Subscord is a Discord bot that lets you sell memberships and roles with Stripe or crypto, while automatically handling subscriptions, payments, and role management.



Your data, your control. Fully open source, authentication and authorization. No lock-ins. Deployment in Railway.app | Heroku in 120 seconds || Spin a docker image as a micro-service in your infra. Built in login page and Admin panel out of the box.


Sublyna helps you monetize your community by launching paid Telegram channels, Discord servers with ease.
MemberStack lets you build members-only websites, dashboards, web apps, and intranets with your favorite web design tools. Works with Webflow, Carrd, PageCloud, Hubspot CMS, static HTML, and more coming very soon!




MemberSpace helps you easily turn any website into a membership business. We're like a digital bouncer for your website. You choose which existing pages and content on your website are for members only and the cost to access. We then automatically enforce those rules for you.




open source tool to add membership management, subscriptions and content protection to a website in less than ten minutes. with both front and backend member-only content protection.




Auth.js is a runtime agnostic library based on standard Web APIs that integrates deeply with multiple modern JavaScript frameworks to provide an authentication experience that’s simple to get started with, easy to extend, and always private and secure!