firewalld is a firewall service daemon with D-BUS interface managing a dynamic firewall.
There is a documentation for firewalld on fedoraproject.org.
Released tarballs are placed here.
To get your own copy of the source code, you can use:
$ git clone git://git.fedorahosted.org/git/firewalld
Browse the GIT repository
#firewalld on freenode
There are two mailing lists for firewalld: