From the Robot Operating System mailing list:
ardrone_autonomy" is a ROS driver for Parrot AR-Drone quadrocopter. This driver is based on official AR-Drone SDK version 2.0 and supports both AR-Drone 1.0 and 2.0. "ardrone_autonomy" is a fork of AR-Drone Brown driver. This package has been developed in Autonomy Lab of Simon Fraser University by Mani Monajjemi.
Read more here.