Layers in programs like Krita have a similar effect, in that you can work on small parts of a drawing at a time, without messing up previous work if you get it wrong. Know your knots (or pretend to) The usual overhand knot is often a terrible choice, but the others are hard to lea...
One of the best things of Photoline is that it can be hooked up to almost any external applications that can handle either bitmap or vector image data: send your layer to Krita, edit in Krita, and send it back. The result updates automatically ...