OpenKM Document Management - DMS

OpenKM Community Edition is a free Document Management System (DMS) that helps businesses control the production, storage, management and distribution of electronic documents, boosting effectiveness and productivity.
It integrates document management, collaboration and advanced search into one easy-to-use solution, including administration tools for user roles, access control, security levels, activity logs and automation setup.
With OpenKM Community Edition you can:

Collect information from any digital source.
Collaborate with colleagues on documents and projects.
Capitalize on accumulated knowledge by locating documents and information sources.
Control business processes with an embedded workflow engine.
Automate tasks.

For a complete feature list visit: http://goo.gl/au8cQy