Bootstrap Institute. http://www.bootstrap.org/

An organization dedicated to boosting "mankind's collective capability for coping with complex, urgent problems." In late November, 2000 they started development on an open hyperdocument system (OHS) which will fulfill the requirements of a full_hypertext system. "The goal of the OHS Project is to build an open source Open Hyperdocument System (OHS) - the critical missing piece of the technology for enabling dynamic, distributed collective knowledge work."