====== Downloadable Drupal Distributions ======

  * [[http://openatrium.com/|Open Atrium]] "an intranet in a box: blog, wiki, calendar, to do list, shoutbox, and dashboard" by [[http://www.developmentseed.org/|DevSeed]]
  * [[http://acquia.com/downloads|Acquia Drupal]] by [[http://acquia.com/|Acquia]]
  * [[http://www.prosepoint.org/|ProsePoint]] "newspaper content management system", by [[http://thinkleft.com.au/|Thinkleft]]
  * [[http://fourkitchens.com/pressflow-makes-drupal-scale|Pressflow]] "Drupal with integrated performance, scalability, availability, and testing enhancements" by [[http://fourkitchens.com/|4 Kitchens]]
  * [[http://drupal.org/project/installation+profiles|Everything under "installation profiles"]] on Drupal.org

Most of them technically Drupal install profiles.

====== SaaS Drupal Distributions ======

  * Acquia: [[http://www.drupalgardens.com/|Drupal Gardens]]
  * Lullabot: [[http://buzzr.com/|Buzzr Enterprise Edition]]