6 OnyX

Mac computers aren’t as prone to viruses as PCs, and they tend to run pretty efficiency — even late in their life. But, despite that, there are certainly times when your Mac might feel just a bit sluggish.

OnyX is a Mac utility app that packs a slew of tools for general maintenance and cleaning tasks, including problematic file and folder deletion, cache clearing, and database and index rebuilding. It’ll help your Mac stay as fast and efficient as possible, and it’s extremely easy and simple to use.