STAIR I and II[66] robots developed in Andrew Ng's lab at Stanford SummitXL:[67] Mobile robot developed by Robotnik, an engineering company specialized in mobile robots, robotic arms and industrial solutions with ROS architecture. Nao[68] humanoid: University of Freiburg's Humanoid Robots Lab[69] developed a ROS integration for the Nao humanoid based on an initial port by Brown University[64][70] UBR1[71][72] developed by Unbounded Robotics, a spin-off of Willow Garage.