Numbers is described as 'Create gorgeous spreadsheets with Numbers for Mac. Get started with one of over 30 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' and is a popular Spreadsheet app in the office & productivity category. There are more than 50 alternatives to Numbers for a variety of platforms, including Windows, Mac, Android, Linux and iPhone. The best alternative is LibreOffice - Calc, which is both free and Open Source. Other great apps like Numbers are Microsoft Office Excel, Google Drive - Sheets, Gnumeric and You Need A Budget.
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!
MoneyWallet is an Android application that let you track your expenses. You can organize your data using custom categories, events, places and people tags. The best alternative to others apps, free and open source.
Spread32 is a mini-Excel with all of the basic features that you would expect in a competent spreadsheet program. Run macros, draw objects, generate charts, calculate functions and formulas, its all here. And it reads and writes xls, csv, text, and pxl formats.