The plugins used were Mettle's FreeForm V2, FreeFormPro and RevisionFX's Re:Flex. More info here -
http://www.mettle.com/blog/, towards the middle of the page.
HTH
RoRK
Intensive mocha & AE Training in Singapore and Other Dangerous Locations
Imagineer Systems (mocha) Certified Instructor
& Adobe After Effects ACE/ACI (version 7)