MapTool is an online, multiuser, networked, graphical, interactive, programmable virtual tabletop. Requires Java 6+. It can be used for face-to-face play, or Internet role-playing in real time even if your players are on the other side of the world.



Inkarnate is described as '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' and is an game in the games category. There are more than 10 games similar to Inkarnate for a variety of platforms, including Web-based, Windows, Mac, Linux and iPad apps. The best Inkarnate alternative is Wonderdraft. It's not free, so if you're looking for a free alternative, you could try Azgaar's Fantasy Map Generator or Worldographer. Other Inkarnate like games are Campaign Cartographer, Epic World Builder, Atlas Engine and Worldspinner.
MapTool is an online, multiuser, networked, graphical, interactive, programmable virtual tabletop. Requires Java 6+. It can be used for face-to-face play, or Internet role-playing in real time even if your players are on the other side of the world.



Mipui is an online, grid-based map editor, with focus on simplicity and collaboration - all edits appear in real-time to other viewers.



Tiamat is Web 2.0 Tile Mapper; Ideal for creating miniature scale maps for role playing and miniature games.

Text to Tabletop is a web-based utility designed to help Game Masters quickly generate maps for their tabletop role-playing game sessions.



mipui is good, has some nice editing options