Capaware is a 3D general purpose virtual worlds viewer. It is a free software project which began in 2007, released for the purpose of promoting the development of free software in the Canary Islands by its Government. Capaware allows interaction with 3D virtual terrain mapping, and is distributed under license GPL. It provides access to information that fits the specifications of the OGC. It was developed in C++ programming language. At present it works under Microsoft Windows and Linux.