FreeCountry is a free fantasy mapping program, currently in beta. It’s available from TogaMario.com as a ZIP file: FreeCountry beta (direct link to .zip).

There’s a screenshot in their forums, and according to the site you’ll need DirectX and the .NET 2.0 Framework installed to run the final version (it’s not clear whether that’s true for the beta, too), although Mac and Linux compatibility is also mentioned.

The finished product will also be free, and will come with a small set of tiles. You’ll be able to create your own tiles, and tile sets will be available for purchase from TogaMario, too.

From the screenshot, it looks somewhat like Dungeon Crafter, which I quite like (and wrote about in Three Mapping Options). (Via EN World.)