You could have downloaded simplyUnRAR 4.1 for Mac from our software library for free. The most popular version among the application users is 4.1. SimplyUnRAR for Mac lies within System Tools, more precisely File Compression. This Mac app is an intellectual property of detto.
From the developer:
simplyUnRAR... Simply drag and drop the rar file(s) onto the application and let it extract.Extract password protected files with a simple password dialog and apply the same password for all dropped files for easy multi extracting. It always uses the latest unrar from www.rarlab.com to accomplish perfect compliance.
You may want to check out more Mac applications, such as QXmlEdit, Compress PDF or Password Zipper Lite, which might be similar to simplyUnRAR.