Worldographer is described as 'integrated map editor for overland hex-based maps for worlds or regions; settlement vector maps for cities or villages; and square battle maps for dungeons and encounters'. There are eight games similar to Worldographer for a variety of platforms, including Windows, Online / Web-based, Linux, Mac and Self-Hosted solutions. The best alternative is Azgaar's Fantasy Map Generator, which is both free and Open Source. Other Worldographer like games are Inkarnate, Wonderdraft, AutoREALM and Campaign Cartographer.
Azgaar's Fantasy Map Generator (FMG) is a free online tool which produces procedurally generated and highly customizable fantasy maps. You can just use auto-generated maps or create your own world from scratch.
Inkarnate is an all-in-one fantasy mapmaking platform with a free version and a huge library of assets. With Inkarnate, one can create world and region maps, city and village maps, battlemaps and interiors, as well as scenery maps.
AutoREALM is a Free GNU mapping software (a "cartographer") that can design maps of castles, cities, dungeons and more. AutoREALM is generally used by Role-playing Game practicants who enjoy doing their own maps. But it could fits the needs of other people.
Campaign Cartographer is the leading map making software for games (RPGs, miniatures and wargaming). Campaign Cartographer gives you fingertip control of both the big picture and the small details. Want a large scale map of your adventuring world? A detailed dungeon floorplan?
ChronoGrapher is an extremely flexible worldbuilding tool for writers, worldbuilders and game masters.
It boasts a freeform notetaking wiki, interactive maps, tile map editor, extensive time and history tracking features and much more.
Worldspinner makes it easy to create an entire fantasy world in just a few minutes. See every continent, island, sea, forest, desert, and nation. Thousands of cities and points of interest add depth to the world.
Cityographer lets you instantly create a city map and details (residents, store inventories & prices, etc.) You can have the program do it all in one step, or run it in a step-by-step fashion and edit the map and details as you go.