The IHMC CmapTools program empowers users to construct, navigate, share and criticize knowledge models represented as concept maps. It allows users to, among many other features, construct their Cmaps in their personal computer, share them on servers (CmapServers) anywhere on the Internet, link their Cmaps to other Cmaps on servers, automatically create web pages of their concept maps on servers, edit their maps synchronously (at the same time) with other users on the Internet, and search the web for information relevant to a concept map. The IHMC CmapTools client is free for educational institutions, federal employees working for the US Government, and for individual use (non commercial). In particular, schools and universities are encouraged to download it and install it in as many computers as desired, and students and teachers may make copies of it and install it at home. Commercial companies, not-for-profit companies, and individuals using the program for business purposes need to contact Ceryph or visit Not-for-profit companies with documented revenue below $1M are encouraged to inquire about Ceryph’s in-kind donation program.