Stata is described as 'Data Analysis and Statistical Software for Professionals'. There are more than 25 alternatives to Stata for a variety of platforms, including Windows, Linux, Mac, Microsoft Office Excel and Online / Web-based. The best alternative is R (programming language), which is both free and Open Source. Other great apps like Stata are RStudio (Free, Open Source), PSPP (Free, Open Source), JASP (Free, Open Source) and jamovi (Free, Open Source).
Wizard is a new Mac app that makes data analysis easier than ever. No programming, no typing — just click and explore. Wizard includes a full set of tools for doing professional research, yet its friendly interface makes statistics accessible to beginners.
easytab is free statistical software for industrial use. Typical usage is in smaller companies, toolshops, or directly on a production line where most of the functions of a commercial software would remain unused.