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.
Xobni - Xobni provides effortless email and address book management and search for Microsoft Outlook and BlackBerry. Put a face to every name. Lightning fast Outlook Search.
Open Contacts - Open Contacts is an advanced address book program for managing contact info of individuals and...
Lookeen - Lookeen is an enterprise search and desktop search software designed for individuals and enterprises. Its key function is Outlook search.
FullContact Card Reader - Automagically scan biz cards into LinkedIn/Gmail contacts
Everything by Voidtools - Everything. Locate files and folders by name instantly. Everything. Small installation file. Clean and simple user interface.