TouchPortal - Touch Portal is a companion app to control a PC or a Mac by using a deck of buttons to improve the workflow & productivity of game streamers, content creators and professionals.
IINA - The modern video player for macOS
Macro Deck - Use smartphone as macropad for pc
VLC Media Player - VLC is a free and open source cross-platform multimedia player and framework.
Deckboard - Deckboard helps you create macros for Windows PC and launch them on your phone.
BitTorrent Live - Live streaming video. iPhone, Apple TV, MacOS. Android soon.