I'm gonna wait for Steam version
Free work is ok if it's not-commercical project, such as modding for game. If it's commercical and they're going to make money off your work then it's unfair.
SteamVR Featuring the HTC Vive
Valve has invited a group of testers to check out their newest work on a couple of VR projects. Testers were able to explore the ocean deeps, shoot arrows and blow up space ships in virtual reality.
© Valve, 2016 YouTube Link