This app unlocks hidden features on your Mac, and for one day only, a lifetime license is just $23

Macworld
TL;DR: Until June 14 at 11:59 p.m. PT, you can get a MacMagic lifetime license on sale for only $23. Just use code MACSAVE.macOS hides a pile of useful tools, and Apple leaves a few handy ones out of the box entirely. MacMagic drags those buried features and a stack of daily utilities into one window, so you can use your Mac to its real potential. Right now, a lifetime license for MacMagic is on sale for $22.97 (reg. $99.99).MacMagic gives you one easy interface