ProntoForms - ProntoForms is a mobile business solutions application, converting paper forms onto any tablet or mobile device.
Microsoft Office Excel - Microsoft Office Excel is a commercial spreadsheet application.
Safety Culture - SafetyCulture is the operational heartbeat of working teams around the world. Its mobile-first operations platform leverages the power of human observation to identify issues and opportunities for businesses to improve everyday.
Google Sheets - Synchronizing, online-based word processor, part of Google Drive.
GoFormz - GoFormz provides a complete mobile forms and reporting solution.
LibreOffice - Calc - LibreOffice Calc is the spreadsheet program you've always needed. A fork of OpenOffice.