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From Wizards of the West Coast, the Dungeon Tiles Mapper lets you create tiled dungeon maps online for free through your browser using a simple grid-based editor. Just select your tiles and drag them where you want them.

With Fractal Mapper, creating worlds has never been so easy! Fractal Mapper is a high-powered mapping system that lets gamers create a wide variety of of maps - dungeons, continents, cities, and more! With it's easy to use interface, powerful features, and unique capabilities, making high quality maps with Fractal Mapper is a breeze!

Drag and drop tile based mapping program. Multiple layers, create and import your own tilesets, scale for printing and many more features.

Dundjinni is a full-featured fantasy map creation program. It allows users to create walls and floors, place objects, insert text, and more. It boasts an intuitive interface and an impressive selection of objects and textures (over 190 images). It also allows you to author d20 adventures in a simple yet elegant way.

Tiamat is Web 2.0 Tile Mapper; Ideal for creating miniature scale maps for role playing and miniature games. Tiamat is FREE to use to create maps. You only pay for the maps and tiles you want exported for personal use. The software is still in beta.