There are many alternatives to Excel Online as a web app if you are looking for a replacement. The best Online alternative is Google Drive - Sheets, which is free. If that doesn't suit you, our users have ranked more than 25 alternatives to Excel Online and many of them are available as a web app so hopefully you can find a suitable replacement. Other interesting Online alternatives to Excel Online are EtherCalc (Free, Open Source), Numbers (Free), Sheetgo (Freemium) and Obvibase (Freemium).
EtherCalc is a web spreadsheet. Your data is saved on the web, and people can edit the same document at the same time. Everybody's changes are instantly reflected on all screens. Work together on inventories, survey forms, list management, brainstorming sessions and more!
Create gorgeous spreadsheets with Numbers for Mac. Get started with one of many Apple-designed templates for your home budget, checklist, invoice, mortgage calculator, and more. Add tables, charts, text, and images anywhere on the free-form canvas.