Holo - Mix holograms into videos & photos in Augmented Reality
IINA - The modern video player for macOS
Multiverse - Immersive social environments supporting creative artists
VLC Media Player - VLC is a free and open source cross-platform multimedia player and framework.
Membit - Pin photos to 3d space with augmented reality
BitTorrent Live - Live streaming video. iPhone, Apple TV, MacOS. Android soon.