UltraGrid from Laboratory of Advanced Networking Technologies (SITOLA) is a software implementation of high-quality low-latency video and audio transmissions using commodity PC and Mac hardware. UltraGrid uses uncompressed or very low compression-ratio streams to achieve up to 8K resolution with as low as 100ms end-to-end latency. UltraGrid is used, among others in areas like collaborative environments, medical cinematography, broadcasting application and various educational activities.

NOTE: This is only to provide appimages, I am not the developer.