Mplus is described as 'Statistical modeling program that provides researchers with a flexible tool to analyze their data. Mplus offers researchers a wide choice of models, estimators, and algorithms in a program that has an easy-to-use interface and graphical displays of data and analysis' and is a statistical analyzer in the development category. There are more than 10 alternatives to Mplus for a variety of platforms, including Windows, Mac, Linux, Xfce and Microsoft Excel apps. The best Mplus alternative is R (programming language), which is both free and Open Source. Other great apps like Mplus are RStudio, PSPP, Positron and IBM SPSS Statistics.