Airtable - Airtable works like a spreadsheet but gives you the power of a database to organize anything. Sign up for free.
iotlist - Discover the internet of things
Magic Spreadsheet - Human workforce and AI plugged into your Google Spreadsheets
Fieldbook - Create a database, as easily as a spreadsheet
Sheetsu - Turn Google Spreadsheet into API
Rows - The spreadsheet where teams work faster