SkillsTextBox source is part of the Intergeo Search project who's source is under Subversion at:
http://svn.activemath.org/intergeo/Platform/SearchI2G/It will be built fully with maven 2 but for now is partially built with Idea.
SkillsTextBox is available under the Apache Public License 2.
(earlier versions of SkillsTextBox have been available under
the old so6 synchronizer, for registered users only)