A faster, leaner email client and fork of Nylas Mail
Sync Outlook contacts and calendars with Google
Sync Outlook with Google, SOGo or any other CalDAV / CardDAV server
one server framework
Mobile Sync for Files, Email, Calendars, and Contacts
Tool for removing GMail attachments from Outlook Contacts
Outlook Sync allow MS Outlook to WebService synchronization.
A PHP API which provides Sync Support for multiple PHP suppo Databases