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.
Contact PEA - Encrypted contact management tool.
Open Contacts - Open Contacts is an advanced address book program for managing contact info of individuals and...
FullContact Card Reader - Automagically scan biz cards into LinkedIn/Gmail contacts
Free Address Book - In our contact management software you can store fast and easily name, phone numbers, birthdays, address, company name, city, mobile numbers, insurance and loan info, e-mail addresses.
Nextcloud Contacts - The Nextcloud contacts app is a user interface for Nextcloud's CardDAV server.