Calc XLS is described as 'is the perfect solution for the office professional or home manager alike who needs to access files from anywhere. Save files to your Dropbox account or open from Dropbox' and is an app in the Business & Commerce category. There are more than 10 alternatives to Calc XLS for a variety of platforms, including Windows, Mac, Linux, Online / Web-based and iPad. The best alternative is LibreOffice - Calc, which is both free and Open Source. Other great apps like Calc XLS are Microsoft Office Excel (Paid), Google Drive - Sheets (Free), Gnumeric (Free, Open Source) and EtherCalc (Free, Open Source).
LibreOffice Calc is the spreadsheet program you've always needed. A fork of OpenOffice.org Calc, professional data miners and number crunchers will appreciate its comprehensive range of advanced functions.
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.
Spreadsheet Conversion Tool works with various types of spreadsheet formats. Application allows you easily converts csv, et, numbers, xls, xlsx, ods and other spreadsheet files to png, pdf, html, jpg and other formats.
Keikai is the only Web Spreadsheet designed and architected for big data — and is the fastest web spreadsheet regardless of size. Other advanced features include embeddable in your Web Apps, providing true Excel experiences and more.