Applications:  Any of the applications distributed as part of the greater Xj3D download.
ChefX3D:  A toolkit for developing application-specific content creation tools.
Tests:  Various test issues, such as problems with the conformance tests, our own local tests (under /parsetest) etc.
Website:  Typos, errors and dead links from the website http://www.xj3d.org
Xj3D Toolkit:  The core toolkit of nodes, file parsing and anything under the src/foo directories.