Jamovi Realtime Statistical Spreadsheet Application
Jamovi is a free and open source statistical software for Windows, MacOS and Linux. You can use this as an alternative to SPSS and SAS. It is based on R statistical language. It comes with t-tests, ANOVAs, correlation and regression, non-parametric tests, contingency tables, reliability and factor analysis tools and you can also easily develop and publish your own analyses. It save all data in single file to easily share and backup your data.