Amazon Cognito
Customer identity and access management service for adding user sign-up, sign-in, and authentication to apps
Open-Source Projects
Discover top open-source software, updated regularly with real-world adoption signals.
Discover top open-source software, updated regularly with real-world adoption signals.
Fast, developer-friendly authentication with built-in dashboard and RBAC
Stack Auth delivers instant sign-in, sign-up, and user management for Next.js and React apps, offering OAuth, passkeys, multi-tenancy, RBAC, and a ready-made dashboard—all deployable in minutes.
Stack Auth is a managed authentication platform designed for modern JavaScript teams. It works out-of-the-box with Next.js, React, and any backend that can call its REST API, letting developers focus on product features instead of security plumbing.
The solution includes ready-made and components, a user dashboard, account settings, multi-tenancy, role-based access control, OAuth connections, passkey support, impersonation, webhooks, and automatic email templates. After a five-minute wizard you receive API keys, drop them into a .env file, and your app is ready to authenticate users. The managed service is optional; you can export data and self-host the dashboard for free. Development requires Node v20, pnpm, and Docker for the local stack, but production can run on any environment that supports the REST endpoints.
When teams consider Stack Auth, these hosted platforms usually appear on the same shortlist.
Looking for a hosted option? These are the services engineering teams benchmark against before choosing open source.
SaaS product launch
Launches with instant sign-up, email verification, and passwordless login, reducing time-to-market.
Internal admin panel
Provides a ready dashboard for managing users, roles, and organizations without custom code.
Calendar integration
Uses OAuth connections to store and refresh Google Calendar tokens, enabling seamless scheduling features.
Service-to-service API
Employs M2M short-lived tokens for secure machine authentication across microservices.
Yes, the managed service is optional; you can export your data and run the dashboard on your own infrastructure for free.
Out of the box it provides components for Next.js and React, and any JavaScript front-end can call the REST API.
You define a permission graph and assign roles to users or organizations; roles can be scoped per tenant.
No, you can start with the hosted service and later switch to a self-hosted deployment at any time.
Node v20, pnpm v9, and Docker (or OrbStack) are required to run the local development stack.
Project at a glance
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