Open source collaboration software vendor Open-Xchange has added a spreadsheet function to its open-source, web-based productivity suite, allowing the online editing and sharing of Microsoft Excel ...

Free spreadsheet apps are a cool idea, as long as you’re comfortable with their limitations. Many are ad-supported, for instance, so expect part of your screen to be trying to sell you something.

Proton has added a new privacy-focused spreadsheet app to its productivity suite to tempt users over from Google and Microsoft’s platforms. The new Proton Sheets tool provides real-time collaboration ...