What are some alternatives?
Evercontact - Your contacts always up to date and automatically with Evercontact.
Drupe - Next generation contact manager and dialer.
CONTACTBOX - CONTACTBOX combines the simplicity of an address book with effective functions of a CRM system.
Contacts - macOS Mojave brings new features inspired by its most powerful users, but designed for everyone to the Mac.
SutiContract - SutiContract is an end-to-end contract lifecycle management solution.
Pobuca Connect - Connect with your contacts.