The original software for creating and opening RAR files; it offers a free trial that remains functional.
A popular free tool for macOS users to extract RAR files. 2. Steps to Extract Content Guide to opening rar files - Avira Momokun - Meiko (Prison School) (mitaku.net).rar
A free, open-source tool that is lightweight and handles almost all archive formats. The original software for creating and opening RAR