BusyContacts - BusyContacts is a contact manager for macOS.
Pakker - Pakker is an easy to use personal database with a visual form designer and easy sharing.
Monica - Monica is an open-source personal CRM to keep track of your friends and family.
Amber Form Maker - Create custom forms with personalized layouts and designs
Cloze - Smarter Relationship Management
Dex - Stay in touch, remember where you left off, and be better at relationships.