I've created 400+ photoshop brushes for creating hand-drawn style fantasy maps. : r/mapmaking
Liath's Inky Cartography Brushes by Liath-S on DeviantArt
Cartographers' Guild on Twitter: "Guild member @KM_Alexander shared another set of Gimp/PS brushes (Released under CC0 licence): Harrewyn: A Free 18th Century Cartography Brush Set for Fantasy Maps https://t.co/02q9Xys2Ze https://t.co/heLPrH3sez" / Twitter
Sketchy Cartography Brushes - Photoshop brushes
Cartographer's Liner Brush Field Kit for Procreate — Map Effects
Modern Map Maker Essential Brushes for Procreate — Map Effects