Clean Google Calendar - Makes Google Calendar look nicer & launches as a desktop app
Vimcal - Vimcal is the world’s fastest calendar, beautifully designed for people who work remotely and live in their calendars.
Flexibits - Makers of Cardhop, Chatology, and Fantastical.
BusyContacts - BusyContacts is a contact manager for macOS.
Plan - Plan is a better way to organize.
Daybridge - A calendar built for people, not companies.