Yes, there are free software options like R Studio for similar tasks in linguistic analysis. R Studio is widely used, has a user-friendly interface, and offers numerous packages for statistical tests.
Pls let me know what type of data you are processing. RASCH-GZ accepts both integer (01010111001) and char data (ABDCCDAA). You know, any Rasch-based software accepts data of diachotomous or binary in nature.