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.
The Nextcloud contacts app is a user interface for Nextcloud's CardDAV server. Easily sync contacts from various devices with your Nextcloud and edit them online.
A simple app for creating or managing your contacts from any source. The contacts can be stored on your device only, but also synchronized via Google, or other accounts. You can display your favorite contacts on a separate list.
The top contact management platform for professionals, teams and small businesses. Sync, deduplicate, enrich, & more. Effortlessly manage your address book contacts with Contacts+.
BusyContacts makes managing contacts faster and more efficient. Offering the same power and flexibility that BusyCal users enjoy with their calendars, BusyContacts integrates seamlessly with BusyCal to form a flexible, easy to use CRM solution for managing calendars and contacts
Contacts is a flexible and convenient place to store information for everyone you know. It’s easy to import names, numbers, addresses, and photos from Facebook, LinkedIn, Google, and even Microsoft Exchange.