AkrutoSync vs CmisSync

Sync Outlook without the Cloud on iPhone, Android, & Windows Phone

AkrutoSync is a third party software which allows you to synchronize your Outlook Calendars, Contacts, Tasks, and Notes across all devices. The soft works without using the cloud, it synchronizes directly between your computer and your phone guaranteeing privacy.
No matter what phone you are using, AkrutoSync works perfectly with any iOS, Android or Windows Phone device without freezes and duplicated data.

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.