Cmaps is the title of a suite of software tools that can be used on many platforms that creates concept maps. The Cmaps program, with open source flavors, is operated by IHMC of Florida.
A professor who pioneered and championed concept mapping is Joseph D. Novak, formerly from Cornell. He shifted the work with concept maps to IHMC.
A letter of support for Read.SwimISCA.org from IHMC has arrived.