EtherCalc - EtherCalc is a web spreadsheet.
SSuite Axcel Professional Spreadsheet - This powerful and professional spreadsheet has all the tools you need to calculate, analyse, summarize, and present your data in numerical reports or colourful graphics.
Spreadsheet Conversion Tool - Download this app from Microsoft Store for Windows 10, Windows 10 Mobile, Windows 10 Team (Surface Hub), HoloLens. See screenshots, read the latest customer reviews, and compare ratings for Spreadsheet Conversion Tool.
Keikai - Effortlessly Build Spreadsheet-driven Web Apps
Simple Spreadsheet - Simple Spreadsheet
Free Excel Viewer - Free Excel Viewer is a desktop application that enables you to view and edit Excel XLS/XLSX or more table formats on Windows without MS Office, and Excel installed.