Structr - Open-source data CMS platform.
M-Files - M-Files is an enterprise information management system that helps users with organizing and managing documents.
OnBase - OnBase is an enterprise content management and process management software suite.
Acquia - Acquia is a commercial open-source software that provides products, services and technical support for the open source Drupal social publishing system.
Laserfiche - Laserfiche offers powerful document management software solutions that are easy to implement and easy to use.
Documentum - Enterprise Content Management platform for large businesses