Just to let you know, Waldronate, who mentioned trying Fractal Terrains Pro and Wilbur, is the actual developer to those applications. Might be good to try them out, Wilbur is free by the way.
GP
Raster (bought) [e.g. Photoshop, PaintShopPro, Painter]
Raster (free) [e.g. GIMP]
Vector (bought) [e.g. Illustrator, Corel Draw, Xara]
Vector (free) [e.g. Inkscape]
Vector (Symbol driven) [e.g. CC, Dunjinni]
Online Generator [e.g. City Map Generator, Fractal World Generator]
Fractal Generator [e.g. Fractal Terrains]
3d modelling [e.g. Bryce, Vue Infinite, Blender]
Scanned hand drawn maps
Drawing Tablet and pen [e.g. Wacom]
Just to let you know, Waldronate, who mentioned trying Fractal Terrains Pro and Wilbur, is the actual developer to those applications. Might be good to try them out, Wilbur is free by the way.
GP
Gamer Printshop Publishing, Starfinder RPG modules and supplements, Map Products, Map Symbol Sets and Map Making Tutorial Guide
DrivethruRPG store
Artstation Gallery - Maps and 3D illustrations