Pixhawk is an independent open-hardware project that aims to provide the standard for readily-available, hiqh-quality and low-cost autopilot hardware designs for the academic, hobby and developer communities. Pixhawk supports multiple flight stacks: PX4 ® and ArduPilot ®. Cube-a is Stonex surveying and mapping software designed and developed for Android platform. GeoGis Stonex GeoGis is a powerful yet simple software solution for the collection of high quality feature and position data for GIS update and maintenance.