BigScreen VR - Your desktop in virtual reality, with friends; play games, watch movies, and hangout in VR.
CONV. - Convert YouTube video to MP3, GIF or MP4
Virtual Desktop - Use your computer in VR
Downie - Video download for OS X. Downie supports at this moment over 1,000 different sites.
VRidge - Play PC VR games inside your mobile VR headset.
Yout - YouTube to Mp3 Converter