The detailed description of the XOrg Foundation can be found on their own wiki pages.
X.Org Foundation Implementation of X11
The X.Org Foundation produces and maintains an open-source implementation of the X Window System. The X protocol is at version 11, and is referred to as X11. The current release of Xorg, which implements the X11 protocol and numerous extensions, is version 7.1.
See XOrgToDo for a list of tasks that need to be done.
The freedesktop bugzilla can be found on https://bugs.freedesktop.org. Use the "xorg" product to report bugs against the XOrg Foundation tree.
Bugs assigned to the pseudo-user firstname.lastname@example.org need someone to take ownership of them. If you feel qualified to fix the bug, feel free to take ownership of the bug by reassigning it to yourself.
The initial license policy strawman should be discussed on the email@example.com mailing list. Before committing code, you should be aware of the strawman, and contribute your thoughts on whether the policy outlined is correct for the goals of X Window System development.
User and support mailing lists are still under construction. Please check XorgMailingLists for a list of developers mailing lists.