Microsoft Office Excel - Microsoft Office Excel is a commercial spreadsheet application.
Home-Assistant.io - Home Assistant is an open-source home automation platform running on Python 3.
LibreOffice - Calc - LibreOffice Calc is the spreadsheet program you've always needed. A fork of OpenOffice.
ioBroker - flexible and modular application for the IoT and Smarthome
Airtable - Airtable works like a spreadsheet but gives you the power of a database to organize anything. Sign up for free.
openHAB - "empowering the smart home" - vendor and technology agnostic open source home automation