A legendary file archiver known for its proprietary .rar format and high-speed compression. While technically paid, its 'unlimited trial' is famous, though the constant pop-ups and dated UI have led modern users to faster, open-source alternatives.

The gold standard for macOS maintenance, recently rebranded and updated to version 5.0. It offers an all-in-one solution for junk cleanup, malware protection, and system performance. However, its shift toward a more expensive tiered subscription model has pushed many users toward lightweight, open-source utilities that perform similar tasks for free.