Open-source authentication and user management for applications, built for developers.
Product memo
Developers building applications with user management can integrate Stack Auth for open-source authentication. It provides a suite of tools for organizations, teams, permissions, and third-party OAuth. The platform focuses on a strong developer experience, offering headless SDKs and pre-built components to speed up implementation.
For who
Developers building applications with user management
Solves what
Open-source authentication and user management for apps
- Password, SSO, 2FA support
- Organizations & teams
- RBAC and permissions
In their own words
Auth can be good.
Stack Auth provides an open-source suite of tools for authentication and user management. Do auth in minutes.
Do auth in minutes.
Commercial cues
Model
subscription
Free tier
Yes
Trial
No
Pricing Strategy
- • A free tier gives individual developers a low-friction adoption path.
- • Per-admin pricing on paid tiers scales costs with team size.
Operator context
Operating setup
Platform
Web app
Audience
Developers
Social footprint
Market demand
Stack Auth keyword demand
4 keywords
Market demand is Starter-tier market intelligence.
Derived from this product’s latest SimilarWeb keyword mix — directional demand, not proof.
Builder Strategy
- Strategy Type
- Niche Specialist
- Stage
- Vc Growth
- Effort
- Small Team
About Stack Auth Expand
Stack Auth provides open-source authentication and user management capabilities for developers building applications. It includes features for managing organizations and teams, setting permissions with RBAC, and integrating third-party OAuth.
The platform serves as a flexible alternative for developers seeking more control over their authentication stack. By offering headless SDKs and pre-built components, it helps teams integrate user management efficiently, reducing development time while maintaining an open-source foundation.