Updated: Mar 8
Tundra Trackers are leveraging SteamVR Tracking Technology. To this end, use of SteamVR is required. The best user experience is with headsets using SteamVR Tracking:
HTC Vive, Vive Pro, Vive Pro Eye and Cosmos Elite
All Varjo Headsets
Other pro HMDs such as XTAL, JVC, StarVR
Note: There are some other really great and popular headsets out there. Read more here about how the could be utilized.