Microsoft Office Excel - Microsoft Office Excel is a commercial spreadsheet application.
Google App Engine - A powerful platform to build web and mobile apps that scale automatically.
Google Sheets - Synchronizing, online-based word processor, part of Google Drive.
Dokku - Docker powered mini-Heroku in around 100 lines of Bash
Apache OpenOffice Calc - Calc, part of the https://alternativeto.
Google Cloud Functions - A serverless platform for building event-based microservices.