Please provide a Single Sign On solution

eQuality Technology has a Drupal website; and the Wiki Report, and a low-volume mailing list, and CiviCRM, and Discourse and MediaWiki-based QualityBox. I just want to login once in order to access all these systems. And I shouldn’t have to repeat my user info just to create an account in the meta wiki.

:brain: Drupal has an SSO module