The Krynn map covers the continent of Ansalon, with locations like elven-stronghold of Silvanesti, high plains of Palanthus, Sancrist Isle and the realms of the minotaurs.
This cartographer produces dozens of maps for free. The latest is an in-game 1 million square feet of forest battle maps.
Guy Sclanders, the host of YouTuBe series How To Be A Great Game Master, has teamed up with Dungeon Fog to bring a book battlemaps to Kickstarter.
You can print the colour maps out for actual tabletop use or use them in virtual tabletops to help visualise the battles your PCs take part in.
Hextml is a free tool that very quickly lets you make hex crawp maps.
Procedural City Generator is a free to use Itch.io site which quickly generates custom cities.
For Black Friday and Cyber Monday, the geeky discounter Humble Bundle has brought back a cartography package for gamers, artists and world builders.
The Weird West Map shows the state of the American union during the era of Deadlands: the Weird West.
Danial Rashidi is a Swedish computer game designer who's worked in DICE and on projects like Battlefield and Battlefront. Danial is now on Kickstarter with a "creative world-building" game that's intended to be a cathartic art project.
The first 52 maps are now on Imgur and reposted below. You'll see these aren't just places where the PCs will be expecting a fight, some are tranquil and relaxed, others are out of this world.