Apaleo is a Property Management System which is purported as an Open PMS. It provides API access to all its users and vendor partners as well as an App rich marketplace where customers can choose from over 200 Apps to improve their PMS.

Google Sheets is a spreadsheet program included as part of the free, web-based Google Docs Editors suite offered by Google. The service also includes: Google Docs, Google Slides, Google Drawings, Google Forms, Google Sites and Google Keep. Google Sheets is available as a web application, mobile app for: Android, iOS, Microsoft Windows, BlackBerry OS and as a desktop application on Google's Chrome OS. The app is compatible with Microsoft Excel file formats.