OpenMSP
Shibboleth logo

Shibboleth

Identity and Access Management (IAM)

Open Source
Free Tier
Self-hosted
OpenMSP Score
52
38
Reddit Impact Score

Alternative Vendors

Keycloak
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Teleport
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Authentik
CAS
CAS

Commercial Alternatives

Okta
Okta
Azure Active Directory
Azure Active Directory
Huntress
Huntress
Duo Security
Duo Security
Shibboleth is a web-based single sign-on infrastructure based on the Security Assertion Markup Language (SAML) standard. Developed as part of the Internet2 middleware initiative and now managed by the Shibboleth Consortium, it enables federated identity management across organizational boundaries. Core Components: • Identity Provider (IdP): Authenticates users and provides identity information to service providers • Service Provider (SP): Consumes identity assertions and grants access to protected resources • Discovery Service (DS): Helps users select their home institution for authentication • Metadata Aggregator: Processes and queries metadata for organizations with multiple identity providers Current Release: Shibboleth Identity Provider 5.1.4 (March 2025) • Active development with regular security updates and feature enhancements • Support for SAML 2.0 with advanced encryption and authentication options • Flexible configuration with hierarchical attribute management • Enhanced scalability and customization capabilities Key Features: • Cross-domain single sign-on without shared credentials • Privacy-preserving attribute release policies • Flexible authentication delegation and IdP proxying capabilities • Support for multiple authentication mechanisms • Extensive integration with web servers and applications • Standards-compliant SAML implementation Organizational Support: • Managed by the Shibboleth Consortium with over 50 members from 17 countries • Widely deployed in academic institutions, identity federations, and commercial organizations • Open source software licensed under Apache 2.0 • Community-driven development roadmap with professional support options Technical Architecture: • Java-based implementation with Spring Framework • Plugin architecture for extensibility • Web-based configuration and management interfaces • Support for multiple platforms including Windows, macOS, and Linux • Integration with LDAP, Active Directory, and various authentication systems Shibboleth is among the most widely deployed identity management software in the world, providing secure and seamless access to protected online resources while maintaining user privacy and organizational autonomy.
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Key Features

Academic and research federation support

Specialized identity federation solution designed for educational institutions and research organizations, supporting academic collaborations and resource sharing across institutional boundaries with trust frameworks.

SAML-based identity federation

Comprehensive SAML 2.0 implementation enabling secure single sign-on between federated organizations, supporting both identity provider and service provider roles with extensive configuration options.

Attribute release and privacy protection

Sophisticated attribute release policies ensure minimal personal information disclosure while providing applications with necessary user attributes, supporting privacy by design and regulatory compliance.

Multi-protocol support (SAML, CAS, OAuth)

Flexible protocol support enables integration with diverse applications and services, providing backward compatibility with legacy systems while supporting modern authentication standards.

Consent management and user control

Built-in consent mechanisms give users control over attribute release and service access, supporting GDPR compliance and user privacy expectations while maintaining functional requirements.

Extensive integration capabilities

Integrates with LDAP directories, databases, and external identity sources, supporting complex organizational structures and multiple authentication backends for comprehensive identity management.

Pros and Cons

Pros

Education sector standard

De facto standard in higher education and research

SAML focused

Excellent SAML implementation with advanced features

Federation support

Strong support for identity federation use cases

Open source

Free and open source with community support

Attribute-based access control

Sophisticated attribute release and filtering capabilities

Cons

Complex configuration

XML-based configuration is complex and error-prone

Limited protocol support

Primarily focused on SAML with less support for newer protocols

Steep learning curve

Difficult for newcomers to learn and implement

Minimal UI

Basic user interfaces requiring significant customization

Feature Comparison

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Frequently Asked Questions

Getting Started

OpenMSP is The MSP Knowledge Hub & Community Platform designed specifically for Managed Service Providers seeking to optimize their technology stack, reduce vendor costs, and discover open-source alternatives. We combine a comprehensive vendor directory, open-source solution catalog, and integrated community discussions to help MSPs make informed decisions.
Yes, completely free. Browse vendors and tools, read comparisons, and join community discussions - no cost, no registration required. OpenMSP is community-supported and focused on empowering MSPs to reduce costs and improve operational efficiency through open-source technology.
We help MSPs identify cost-effective alternatives to expensive commercial solutions, provide transparent vendor information, and connect you with proven open-source alternatives. Our platform enables MSPs to make informed decisions about their technology investments.
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Platform Information

OpenMSP is currently community-supported. We focus on providing value to the MSP community first. Any future monetization will keep the core platform free for MSPs while maintaining our independence and commitment to unbiased information.
We focus exclusively on MSP needs with transparent vendor information and open-source alternatives. No vendor partnerships or sponsored listings - just honest, community-driven information to help MSPs make better technology decisions. Our biggest value is our community where MSPs help each other with questions, setup guidance, and sharing real-world experiences.
Our community of MSP professionals helps verify and update information. We also maintain direct research on tools and vendors to ensure accuracy. Community members can report outdated information, and we work to keep everything current.
OpenMSP was founded by Michael Assraf, who has extensive experience in the MSP industry and product leadership. As the former CEO & Founder of Vicarius, Michael grew a startup from $0 to $9M ARR with 500+ customers and deep experience working with MSPs, partners, and fundraising. OpenMSP represents his commitment to empowering the MSP community through better technology decisions and cost optimization.

Open-Source Tools & Alternatives

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Many open-source projects offer multiple support options including community forums, commercial support from vendors, professional services, and our community discussions where experienced MSPs share implementation guidance.