Plenty of filmmakers are using fancy tools to handle more complex shots. Steve is a robot that wants to serve as a chauffeur for your camera. It has a compact design but offers plenty of space for your gear. Steve has max load capacity of 20kg and uses mecaum wheels to move in all directions. It not only has a safety cage for your camera but also lets you mount more gear on top.
This Arduino powered robot can be used with additional sensors for other projects. It is powerful enough to negotiate uneven terrain. You can find out more about it here.