HazeOver

Surprisingly, Product Hunt does not let you know when your product gets upvotes or new comments. I've made this app to do exactly that. If you're a maker or just want to keep an eye on certain posts, this menu bar app for Mac is for you.

YouTube does not support 4K playback in Safari for Mac. This extension shows a 4K badge in the toolbar if a YouTube video you watch offers quality higher than 1080p. Click the toolbar icon to open the video in another web browser and enjoy it in full 4K glory.