Open-Source Auth for NextJS / React
Add open source login to any Next.js and React single page app (SPA) using free open source.
Open-Source Auth for NextJS / React launched on November 24, 2021 with 107 votes, #380 of 2,926 launches that month and more than 90% of that year's launches. The site was still online in September 2026, 4 years on.
In plain words
Open-Source Auth for NextJS / React is an authentication solution designed for developers building web applications with NextJS and React. It provides ready-to-use authentication features including user login, registration, and session management. The tool is open-source, allowing developers to self-host and customize their authentication infrastructure. It's built specifically to integrate with modern JavaScript frameworks, making it suitable for teams that want control over their authentication layer without relying on third-party services.
written from the facts on this page · September 2026
From the sources
Add open source login to any Next.js and React single page app (SPA) using free open source. A single spike day can inflate your MAU count by 5-7x. Learn how aDAU pricing works, estimate the difference for your application, and compare costs across billing models. Relationship-based permissions are hard to reason about in your head. The Keto Playground renders permission graphs as interactive visualizations so you can see exactly how relationships resolve to ALLOWED or DENIED. It ships with seven bundled examples you can explore and edit in the browser with zero setup. Add authentication and user management to your Next.js React app using the new Next.js Edge Runtime and the Ory Kratos…from ory.dev
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