OnBase - OnBase is an enterprise content management and process management software suite.
Datahike - A durable datalog database adaptable for distribution.
Acquia - Acquia is a commercial open-source software that provides products, services and technical support for the open source Drupal social publishing system.
Datomic - The fully transactional, cloud-ready, distributed database
Documentum - Enterprise Content Management platform for large businesses
Matisse - Matisse is a post-relational SQL database.