1, ExcelOnline: It is a free online version of Microsoft, which can be accessed through a browser without downloading. Although its function is slightly limited than the desktop version, it is a very convenient choice for some simple data processing and calculation.
2. LibraofficeCalc: This is an open source spreadsheet software, similar to MicrosoftExcel, but completely free, cross-platform support, and can be used on Windows, Mac and Linux. Its function is equivalent to Excel, and it can handle all kinds of data easily.
3.GoogleSheets: It is a spreadsheet software of Google, which can be accessed through GoogleDrive and is completely free. It's similar to Excel, but it's online, so it's convenient to edit and share documents.
4.WPS Form: This is a spreadsheet software developed by China Company, similar to MicrosoftExcel, but completely free and cross-platform. It has many advanced functions similar to Excel, such as multiple worksheets, macros and pivot tables.