Windows Contacts - Windows has many extraordinary organizers, and in the event that you include distributed storage, then you presumably have more.
Evercontact - Your contacts always up to date and automatically with Evercontact.
BusyContacts - BusyContacts is a contact manager for macOS.
Pobuca Connect - Connect with your contacts.
Apple Contacts App - Access and edit your contacts from personal, business, and other accounts with the Contacts app.
CRM-gx - Contact Management