BitTorrent Live - Live streaming video. iPhone, Apple TV, MacOS. Android soon.
MoMAR - AR gallery within the MoMA + open source
Plex for Alexa - Run your home theater or play your favorite playlists
Wanderlog Pinboard - A digital corkboard: map your and your friends' travels
IINA - The modern video player for macOS
dropdrop - Leave messages where you travel for others to discover