Aspose.Cells for Cloud - Aspose.Cells for Cloud is a REST based API for processing spreadsheets in the cloud.
Microsoft 365 - Boost your productivity with reliable access anywhere with services like email, calendar, file sharing, meetings, instant messaging, and Office Online
EtherCalc - EtherCalc is a web spreadsheet.
Apache OpenOffice - Apache OpenOffice is an open source, office document productivity suite.
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.
SSuite Office - SSuite Office is called to be one of the most accomplished software developers for both beginners and professionals alike.