Server: SSO and SAML support
Do Atlassian Server applications support SSO and SAML?
Atlassian Server applications support Single Sign On through Crowd. SAML is not supported exclusively, but plugins do exist for the application:
Another alternative is to use Global SSO add-on for SAML across all products including Crowd (check application version compatibility).
HipChat Server provides native support for SAML SSO. See SAML for HipChat Server.