Authenticate users with open-source tools
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Our take
Try Stack Auth's free tier to see if it fits your workflow.
See how Stack Auth fits your stackBenefits
Reduce authentication setup time from weeks to hours
Eliminate security vulnerabilities with battle-tested open-source components
Cut user onboarding friction with seamless social login options
Save development costs by avoiding custom auth infrastructure
About
Stack Auth provides customizable authentication flows, multi-factor authentication, and a user management dashboard. It integrates social logins and secures APIs with JWT tokens. Use it to set up authentication for web applications or migrate from other platforms.
Customizable authentication flows
Multi-factor authentication support
User management dashboard
Social login integration
API security with JWT tokens
Use cases
Set up a secure and scalable authentication system for a web application using open-source software
Migrate from Auth0 to Stack Auth for better control and customization of authentication flows
Implement multi-factor authentication for a SaaS platform using Stack Auth's modular components
Best for
Pricing
Stack Auth starts at $0/mo
Starting at $0/mo
Ecosystem
MCP servers, AI skills, and integrations that work with Stack Auth
FAQs
Common questions about Stack Auth and its capabilities
Stack Auth offers startups a cost-effective, open-source authentication solution with a freemium model. It provides customizable authentication flows, multi-factor authentication, and social login integration, making it ideal for rapid development and scaling without high initial costs.
Our team can help you integrate Stack Auth with your existing tools and build custom automation workflows.
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