Steward Database - Steward is a personal database for organizing everything. It's easy to use.
Pakker - Pakker is an easy to use personal database with a visual form designer and easy sharing.
tinyblu - Never neglect your friends again. See how long it's been since you last hung out.
BusyContacts - BusyContacts is a contact manager for macOS.
Windows Contacts - Windows has many extraordinary organizers, and in the event that you include distributed storage, then you presumably have more.
iDatabase for Mac - The intuitive personal database manager.