Microsoft Office Excel - Microsoft Office Excel is a commercial spreadsheet application.
Microsoft Outlook - Organize your world. Outlook’s email and calendar tools help you communicate, stay on top of what matters, and get things done.
LibreOffice - Calc - LibreOffice Calc is the spreadsheet program you've always needed. A fork of OpenOffice.
Fantastical 2 - Fantastical, the Mac calendar app you'll enjoy using. Quickly create new events with natural language input and more.
Airtable - Airtable works like a spreadsheet but gives you the power of a database to organize anything. Sign up for free.
Simple Calendar - A simple calendar with events (optional recurring and reminders), week numbers and a customizable...