He's using agUF for his unit frames. It is a lot easier to set up than Pitbull but is missing party targets at the moment. They are supposed to be added in the next major version release.

agUF is to Pitbull what Perl Classic is to X-Perl. agUF and Perl Classic are solid frames that take a minimal amount of time to set up, but aren't as bloated as Pitbull and X-Perl.

X-Perl is kind of in the middle, it has a lot of options but is still pretty easy to get up and going with. Pitbull is extremely configurable but takes a while to setup because it has sooo many options it's hard to stop tweaking it.