Keycloak is an open-source Identity and Access Management solution aimed at modern applications and services.
Free and open-source
Best Connect2id Server Alternatives ranked by AI · updated May 2025
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Connect2id Server is a standards-based OAuth 2.0 and OpenID Connect server that provides secure access to web, mobile, and API applications.
Price: Contact sales for pricing
🎯 connect2id.com
Top 6 Connect2id Server alternatives
2
Auth0 provides a comprehensive platform for authentication and authorization.
Pros
- Customizable authentication flows
- Scalability
- Advanced security features
Cons
- Complex setup for some use cases
- Higher learning curve
Free tier available. Paid plans start at $23/month.
3
Gluu is an open-source identity and access management platform.
Pros
- Flexible architecture
- Supports SAML and OAuth protocols
Cons
- Complex setup process
- Limited community support
Free with paid support options
Okta is an identity management service that helps companies manage and secure user authentication into modern applications.
Custom pricing based on requirements
FusionAuth is a complete identity and access management tool that provides authentication, authorization, and user management for any app.
Free for unlimited users, with paid support options
Portier is a user-friendly and secure self-hosted identity provider. It allows you to manage user authentication and authorization easily.
Free and open-source
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