@greyor
• #SatW / #ScandinaviaAndTheWorld: https://satwcomic.com/
• #xkcd: https://xkcd.com/
• #CalvinAndMuadDib: https://calvinanddune.tumblr.com/
• #OotS / #OrderOfTheStick: http://www.giantitp.com/comics/oots.html

Non-comic stuff worth mentioning:
• #TroyHunt: https://www.troyhunt.com/
• #SignalVsNoise: https://m.signalvnoise.com/
• #Popehat: https://www.popehat.com/
• #MuSpy for new music releases: https://muspy.com/

And I believe #DeviantArt also has per-artist feeds.

@Mayana