So far, there's only a few things I do in Photoshop that I'm not sure how to do in Krita, but I'm sure they're in there somewhere... I highly recommend Krita as a free, cross-platform Photoshop alternative. Super powerful and as much (if not moreso) as Photoshop.
@grannyclear I've never used PaintNet, but I found this comparison. Not sure if it helps. https://www.slant.co/versus/5472/11484/~paint-net_vs_krita
@theunabeefer Anyone know how Krita compares to PaintNet? Never liked PhotoShop for personal projects, but had to use it at work.