Amazon Cognito
Customer identity and access management service for adding user sign-up, sign-in, and authentication to apps
Open-Source Projects
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Discover top open-source software, updated regularly with real-world adoption signals.
UI-first IAM and SSO platform with comprehensive protocol support
Open-source Identity and Access Management platform with web UI supporting OAuth 2.0, OIDC, SAML, LDAP, WebAuthn, MFA, and multiple authentication protocols for centralized user management.
Casdoor is a comprehensive Identity and Access Management (IAM) and Single-Sign-On (SSO) platform designed with a UI-first approach. Built for developers and IT teams who need centralized authentication without vendor lock-in, it provides a complete solution for managing users, organizations, and access control across multiple applications.
The platform supports industry-standard protocols including OAuth 2.0, OIDC, SAML, CAS, LDAP, SCIM, and RADIUS, enabling seamless integration with existing infrastructure. Modern authentication methods like WebAuthn, TOTP, and multi-factor authentication (MFA) provide robust security, while enterprise integrations with Google Workspace, Active Directory, and Kerberos ensure compatibility with legacy systems.
Casdoor can be deployed via source code, Docker, or Kubernetes Helm charts, offering flexibility for different infrastructure requirements. The platform includes a public API with Swagger documentation and SDKs for multiple programming languages, making integration straightforward. With an active community and Apache 2.0 license, teams gain full control over their identity infrastructure while benefiting from ongoing development and support.
When teams consider Casdoor, 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.
Multi-Application SSO for SaaS Platform
Users authenticate once and access multiple internal applications seamlessly using OAuth 2.0 or OIDC, reducing password fatigue and improving security.
Enterprise LDAP and Active Directory Integration
Connect existing corporate directory services to modern web applications, enabling employees to use existing credentials across cloud and on-premise systems.
Multi-Tenant B2B Authentication
Provide customer organizations with dedicated SSO configurations supporting their preferred protocols (SAML, OIDC), enabling enterprise sales and compliance.
Secure API Access with MFA
Protect sensitive APIs and admin panels with multi-factor authentication using TOTP, WebAuthn, or biometric methods while maintaining developer-friendly integration.
Casdoor supports OAuth 2.0, OIDC, SAML, CAS, LDAP, SCIM, RADIUS, WebAuthn, and TOTP. It also integrates with Google Workspace, Active Directory, and Kerberos for enterprise environments.
Casdoor can be deployed from source code, using Docker containers, or via Kubernetes Helm charts. Documentation for each deployment method is available on the official website.
Yes, Casdoor offers SDKs for multiple programming languages and provides a public API with Swagger documentation for custom integrations.
Casdoor is production-ready and used by organizations worldwide. However, as a self-hosted solution, you are responsible for deployment, scaling, and maintenance of the infrastructure.
Casdoor is licensed under Apache 2.0, allowing free use, modification, and distribution for both commercial and non-commercial purposes.
Project at a glance
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