Top 14 Best Free & Open-Source Identity Management Software Solutions

Open source identity management software is a type of software that allows organizations to manage and control the digital identities of their users. It provides functionality such as user authentication, access control, and user provisioning.

Identity management is essential in today’s digital world, where organizations have to deal with a growing number of user accounts and access to various systems and applications. Managing these identities manually can be time-consuming and error-prone, which is why organizations rely on identity management software to automate and streamline the process.

Open source identity management software is software that is developed and distributed under an open source license. This means that the source code is freely available to anyone, and users are allowed to modify and distribute the software as they see fit. This open approach has several advantages, including cost savings, increased transparency, and the ability to customize the software to meet specific organizational needs.

One of the main benefits of using open source identity management software is cost savings. Since the software is freely available, organizations don’t have to pay licensing fees to use it. They can download the software for free and install it on their own infrastructure. Moreover, open source software also eliminates vendor lock-in, as organizations are not dependent on a specific vendor for support and updates.

Another advantage of open source identity management software is increased transparency. With the source code available for anyone to view and modify, organizations can ensure that the software meets their security and privacy requirements. They can review the code for vulnerabilities and make necessary changes to enhance security. Additionally, since the software is developed by a community of users, there is a wider pool of expertise available to address any security issues that may arise.

Open source identity management software also provides the ability to customize the software to meet specific organizational needs. Organizations can modify the source code to add or remove features, integrate with existing systems, or develop custom workflows. This flexibility allows organizations to tailor the software to their unique requirements and ensures that it aligns with their existing infrastructure and processes.

Open source identity management software is a cost-effective and flexible solution for organizations looking to manage and control the digital identities of their users. It provides functionality such as user authentication, access control, and user provisioning. By leveraging the benefits of open source software, organizations can save costs, increase transparency, and customize the software to meet their specific needs.


Keycloak provides user federation, strong authentication, user management, fine-grained authorization, and more.

  • Single-Sign On
  • Identity Brokering and Social Login
  • User Federation
  • Admin Console
  • Account Management Console
  • Standard Protocols
  • Authorization Services


OpenIAM provides an open source converged identity platform that integrates identity governance & administration (IGA), SSO and MFA into a single view.

  • Improve customer experience
  • Improve security by automating identity life cycle events
  • Gain visibility of each identity
  • Improve productivity with contractors
  • Simplify compliance activities
  • Lower total cost of ownership by modernizing your IAM infrastructure


Ory is a certified and battle-tested identity solution backed by a large open source community and trusted by Fortune 500 companies.

  • Sign up more users
  • Make the switch to Ory
  • Trillion of requests, secured
  • Turn more visitors into trusting customers
  • Flexible identity and access management for apps and services
  • Compliance and Security built in


Regain control over digital identity with midPoint, the leading open source identity management and governance platform.

  • Identity Governance and Administration
  • Addresing Regulations and Compliance
  • Privacy Enhancing Identity Management
  • User Self-Service


Aerobase is an open source Identity and access management (IAM) platform specializes in identity federation, SSO and strong & adaptive authentication.

  • Single Sign On
  • Social Logins
  • Centralized Management
  • Two-Factor Authentication
  • LDAP and Directory
  • Customizable drop-in UI
  • Identity & Access Management
  • Identity Brokering
  • Seamless Deployment


Gluu has passed more OpenID self-certification tests than any other platform.

  • Provide a more decentralized and secure way to store your data
  • Eliminate the need for expensive, proprietary solutions
  • Improve agility with a flexible and scalable way to manage your data
  • Improve trust and confidence in your management systems


Casdoor is an Open Source UI-first Identity Access Management (IAM) / Single-Sign-On (SSO) platform supporting OAuth 2.0, OIDC, SAML and CAS.

  • Easy to Use
  • Frontend Backend Separation
  • Supporting Multi-Language


MOSIP Modular Open Source Identity Platform helps Governments and other user organizations implement a digital, foundational identity system in a cost effective way.

  • Modularity
  • Vendor Neutrality
  • Privacy & Security in Design
  • Use of Automation
  • Platform-Based
  • Performance
  • Cost-Effectiveness
  • Configurability and Customisability


Open Identity develop and support Single Sign-On, Access Management, Identity Management, User-Managed Access, Directory Services, and Identity Gateway, designed and built as a single, unified platform.


FreeIPA – manage Linux users and client hosts in your realm from one central location with CLI, Web UI or RPC access. Enable Single Sign On authentication for all your systems, services and applications.

  • Integrated security information management solution combining Linux (Fedora)
  • Built on top of well known Open Source components and standard protocols
  • Strong focus on ease of management and automation
  • Full multi master replication for higher redundancy and scalability
  • Extensible management interfaces


Soffid is the Identity and Access Management Solution for Everyone, Everywhere.

  • Adaptive Multiplatform Authentication
  • Get More flexibility with Affordable Budget
  • Single, Simple & Intuitive
  • Improve Merged and Access Policies
  • Manage Innovation and Acquisition Agility
  • Reduce Costs and Increase Productivity
  • Reduce IT Friction
  • Collaborate with partners


Formsflow integrated open source identity management system, Keycloak, enables you to determine which members of your organization will have access to which specific actions.

  • Single sign-on
  • Social media logins
  • User Federation
  • Out-of-the-box functionality and design


Sirius are able to provide you with simple and secure, enterprise class Open Source technologies.

  • Robust framework
  • Budget friendly
  • Bring your own device (BYOD)


Cerby’s access management platform enables secure and streamlined access to apps that don’t integrate with your identity provider.

  • Automate access
  • Go passwordless
  • Enable visibility and response
  • Automated 2FA enrollment
  • Manage privileged access

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