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
Kissflow - Kissflow is a workflow tool & business process workflow management software to automate your workflow process. Rated #1 cloud workflow software in Google Apps Marketplace.
Adobe Experience Manager - Adobe Experience Manager is a cross-platform CMS that works across websites, mobile apps and on-site displays.
DocuWare - DocuWare is a next-gen document management system that is specially designed for transferring paper-based and digital assets into collective resources.