FullContact Card Reader - Automagically scan biz cards into LinkedIn/Gmail contacts

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.

Apple Contacts App - Access and edit your contacts from personal, business, and other accounts with the Contacts app.

ContractHero - Intuitively organize contracts and be reminded of deadlines

Windows Contacts - Windows has many extraordinary organizers, and in the event that you include distributed storage, then you presumably have more.

Webby - Webby allows to use Facebook, Youtube or any web app as a regular desktop apps, integrated with the...