CODE
Repository - http://git.openstack.org/cgit/openstack/keystonemiddleware/
Releases - http://git.openstack.org/cgit/openstack/keystonemiddleware/refs/

DOCUMENTATION
For Users - http://docs.openstack.org/
For Contributors - http://keystone.openstack.org/

COMMUNITY
Questions - https://ask.openstack.org/
Wiki - http://wiki.openstack.org/keystone
Meetings - http://wiki.openstack.org/Meetings/KeystoneMeeting
Mailing Lists - http://wiki.openstack.org/MailingLists
IRC - #openstack on http://freenode.net/
IRC - #openstack-keystone on http://freenode.net/