The main website for HoverGames is HoverGames.com.
HoverGames has its own Slack channel (#hovergames) on the PX4 Slack. To gain access to the PX4 Slack, you have to register through this form first. On the PX4 Slack, there are many other channels related to different Dronecode projects and different features of the PX4 software.
Dronecode also has a community forum for discussing PX4, QGroundControl, Dronecode SDK and other Dronecode projects. General questions regarding drones and PX4 can also be asked there.
Please use this GitBook as your guide. If you would like to contribute, or have questions that cannot be answered here, you can contact the NXP HoverGames and RDDRONE-FMUK66 team by e-mail: HoverGames@nxp.com