Open Source ยท MIT License

One identity.
Every app.

Open SSO is an open single sign-on platform that makes authentication seamless across all your connected applications. Secure, simple, and built for scale.

2.4M+
Active users
500+
Integrations
99.99%
Uptime SLA

Connect your entire stack

Open SSO integrates with hundreds of apps out of the box. Set up once and authenticate everywhere.

Slack
1.2M users connected
Official
Notion
890K users connected
Official
Figma
650K users connected
Official
GitHub
1.8M users connected
Official

Built for modern teams

Everything you need for enterprise-grade authentication in one platform.

Instant Setup

Get started in minutes with our guided onboarding. No complex configurations required.

Enterprise Security

SOC 2 Type II certified with end-to-end encryption and advanced threat protection.

Team Management

Centralized user provisioning with role-based access control and audit logs.

Passwordless Auth

Support for passkeys, magic links, and biometric authentication out of the box.

Custom Integrations

Build custom connections with our comprehensive APIs and developer SDKs.

Analytics Dashboard

Real-time insights into authentication events, usage patterns, and security metrics.

Enterprise-grade protection by default

Open SSO is built with security at its core. Every authentication request is encrypted, monitored, and protected by industry-leading security standards.

SOC 2 Type II GDPR Compliant ISO 27001 HIPAA Ready
AES-256 Encryption
Zero Trust Architecture
Multi-Factor Authentication

Ready to simplify authentication?

Start using Open SSO today and give your users a seamless sign-in experience across all your apps.

Start for free