MapTool is described as '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' and is a virtual tabletop in the gaming software category. There are more than 25 alternatives to MapTool for a variety of platforms, including Web-based, Windows, Linux, Mac and Self-Hosted apps. The best MapTool alternative is DiceRight, which is free. Other great apps like MapTool are Roll20, Foundry Virtual Tabletop, Inkarnate and Linwood Setonix.