RxMUI is the definitive solution to create GUIs in ARexx macros. RxMUI uses MUI, which is one of the best thing happened to Amiga so far, despite last strange decisions made by someone. It means you will benefit of the MUI philosophy programming in your ARexx macros. RxMUI will also introduce you in the wonderful world of the Object Oriented Programming in the most easy way, which is from a simple interpreted language like ARexx. Read the RxMUI documentation for more info. Here you may find a list of all the MUI classes and all the libraries needed to properly run RxMUI examples.