Atlassian Crowd

Atlassian Crowd
Name	Atlassian Crowd
Developer	Atlassian
Initial release	2009
Latest release	3.x
Operating system	Cross-platform
Platform	Java
Genre	Identity management
License	Commercial

Atlassian Crowd Atlassian Crowd is a commercial identity management and single sign-on solution created by Atlassian for integrating user directories and authentication across enterprise applications. It provides centralized user and group management used to connect products such as Jira (software), Confluence (software), Bitbucket (software), Bamboo (continuous integration), and third-party systems like Apache HTTP Server, Tomcat, and Microsoft Exchange. Crowd is commonly deployed alongside directory services and federation technologies including Microsoft Active Directory, OpenLDAP, SAML 2.0, OAuth 2.0, and Kerberos, enabling centralized administration for organizations spanning diverse infrastructure managed by vendors such as IBM, Oracle Corporation, Red Hat, and Amazon Web Services.

Overview

Crowd functions as an identity broker and directory aggregation service, consolidating accounts from sources like Microsoft Active Directory, OpenLDAP, and local Crowd stores to present unified identities to applications including Jira (software), Confluence (software), Bitbucket (software), and proprietary services at enterprises such as NASA, Spotify, and Airbnb. It supports protocols and standards implemented by projects and products such as SAML 2.0, OAuth 2.0, Kerberos, and OpenID Connect used by platforms like Google Workspace, Microsoft 365, and Okta. Administrators from organizations like Bank of America, Cisco Systems, and Siemens use Crowd to reduce duplicate accounts and to integrate third-party tools from companies such as Atlassian, Apache Software Foundation, and HashiCorp.

Features

Crowd provides single sign-on (SSO), centralized authentication, directory aggregation, and user provisioning functionality for integrations with Jira (software), Confluence (software), Bitbucket (software), Bamboo (continuous integration), and custom applications. It offers group synchronization, permission mapping, and user management features compatible with directory providers such as Microsoft Active Directory, OpenLDAP, and identity platforms like Okta, Auth0, and Ping Identity. Crowd includes session management, caching, auditing, and REST APIs used by developers from companies like Atlassian, Atlassian Marketplace vendors, and open-source projects including Apache Tomcat, Spring Framework, and Hibernate.

Architecture and Integration

Crowd is implemented in Java and typically runs on servlet containers such as Apache Tomcat or application servers from Red Hat and Oracle Corporation, integrating with databases like PostgreSQL, MySQL, and Oracle Database for persistence. Its architecture uses connectors for directories like Microsoft Active Directory and OpenLDAP, authentication protocols such as SAML 2.0 and Kerberos, and REST APIs that enable integration with CI/CD systems like Jenkins, Bamboo (continuous integration), and source control platforms like Subversion and GitLab. Many enterprises integrate Crowd with cloud providers such as Amazon Web Services, Microsoft Azure, and Google Cloud Platform to provide hybrid identity solutions.

Security and Authentication

Crowd supports multifactor authentication methods and integrates with identity providers and standards including SAML 2.0, OAuth 2.0, OpenID Connect, and Kerberos to enable secure single sign-on for applications such as Jira (software), Confluence (software), and Bitbucket (software). It provides auditing and logging compatible with security tooling from vendors like Splunk, Elastic (company), and IBM Security and follows enterprise practices used by institutions such as NASA and European Space Agency. Administrators can enforce password policies, session lifetimes, and account lockout rules interoperable with Microsoft Active Directory policies and governance models used by organizations such as UNICEF and World Health Organization.

Deployment and Administration

Crowd can be deployed on-premises or in cloud environments managed by Amazon Web Services, Microsoft Azure, and Google Cloud Platform, and is administered via web consoles and REST APIs that integrate with automation tools like Ansible, Puppet, and Chef. Backup, high availability, and clustering are supported to match enterprise requirements used by companies such as Facebook, LinkedIn, and Salesforce, while monitoring can be integrated with systems like Nagios, Prometheus, and Datadog. Administrators from organizations such as Morgan Stanley, Goldman Sachs, and Deutsche Bank typically combine Crowd with directory services such as Microsoft Active Directory for centralized user lifecycle management.

Licensing and Editions

Crowd is distributed under a commercial license by Atlassian and is available in server and data center editions tailored to different scale and availability needs, comparable to licensing options offered for Jira (software), Confluence (software), and Bitbucket (software). Large enterprises evaluating licensing often compare Crowd’s commercial model with cloud identity platforms from Okta, Ping Identity, and Auth0 and enterprise directories from Microsoft and Oracle Corporation.

History and Development

Crowd was introduced by Atlassian to address integration and SSO needs for Atlassian products and third-party applications, evolving alongside enterprise adoption of standards such as SAML 2.0, OAuth 2.0, and OpenID Connect and interoperability work by organizations including OASIS, IETF, and the W3C. Its development reflects contributions and integrations with technologies from Apache Software Foundation, Spring Framework, and database vendors such as PostgreSQL and MySQL, and its roadmap has paralleled shifts toward cloud and hybrid identity architectures seen across companies like Microsoft, Amazon.com, and Google LLC.

Category:Identity management software