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.
NoteCase Pro - NoteCase Pro is an advanced multi platform outliner that helps you organize your text notes into a...
Kontact - KAddressBook - KAddressBook stores all the personal details of your family, friends and other contacts.
Addza - Address book software for Windows.
FullContact Card Reader - Automagically scan biz cards into LinkedIn/Gmail contacts
Vault 3 - Vault 3 stores your notes and photographs as an outline.