CluedIn vs CmisSync

CluedIn turns your data into intelligent, actionable knowledge.

CluedIn connects your tools , people, everything in your organization to keep you clued-in to what is happening around you.
We bring all your organization's knowledge to your fingertips, allowing users to make more educated decisions with their day to day work.
CluedIn finds, connects and enriches knowledge from all the different sources in your environment.

Synchronize documents between your computer and your enterprise file server (Alfresco, SharePoint, Documentum, any CMIS-compliant server)

It is like Dropbox for Enterprise Content Management!
For file sharing/synchronization, don't get a new server or rely on the cloud: just use your existing document management server.
Free and open source.