This software is distributed under the terms of the GNU Lesser General Public License. The full text of the LGPL license is in lgpl.license.txt.

professional support: JBoss is the company that backs this project with professional support, training and consultancy services.
user guide: is the document you're reading and serves as the main entry point into the project.
release notes: Release notes and migration tips.
the javadocs: that document the jBPM API
download: sourceforge download page for jBPM
forums: get in contact with the community, ask questions and discuss jBPM
wiki: extra information, mostly provided by the community
issue tracker: for submitting bugs and feature requests
roadmap: shows what to expect in the next versions
mailing lists: mailing lists are used for announcements
cvs: the details of how to get the jBPM sources from CVS