Google Contacts - Google Contacts is Google's contact management tool that is available in its free email service Gmail, as a standalone service, and as a part of Google's business-oriented suite of web apps Google Apps.
NuevaSync - NuevaSync provides over-the-air, push synchronization of email, contacts, and calendar entries for...
Contact PEA - Encrypted contact management tool.
OggSync - OggSync’s mission is to keep mobile users in sync with the scheduling demands of a busy lifestyle...
Open Contacts - Open Contacts is an advanced address book program for managing contact info of individuals and...
SYNCING.NET - Synchronization of Outlook emails, tasks, address book contacts, subscribed folders and files on two or more computers without cloud. Share any of your inbox mail, contacts, events between any devices without Exchange server