Emit - Emit can stream from a Windows/Mac/Linux machine to an android/iOS device.
IINA - The modern video player for macOS
MX Player - Powerful video player with advanced hardware acceleration and subtitle support.
VLC Media Player - VLC is a free and open source cross-platform multimedia player and framework.
Vinyl Music Player - A fork of Phonograph Music Player that "makes all Pro features free, as they used to be".
BitTorrent Live - Live streaming video. iPhone, Apple TV, MacOS. Android soon.