Based on our record, Soundseeder seems to be more popular. It has been mentiond 1 time since March 2021. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.
Unrelated, but here is an app that does exactly what you say would not work. There are a lot of these that you can look up, by the way. Maybe they will inspire you in your work. Source: about 1 year ago
Ampache - Web ( HTTP centralized ) based audio/video streaming application
AudioRelay - Listen to your PC audio, use your phone as a mic or stream audio from your phone
Subsonic - Subsonic is a free, web-based media streamer, providing ubiquitous access to your music and video.
Airfoil - This software is from the Rogue Amoeba company, built to run on Mac and Windows platforms. It’s an audio-based software that allows the computers sound to play over a network device. Read more about Airfoil.
Logitech Media Server - Logitech Media Server is the server software that powers audio players from Logitech (formerly...
Porthole - Play all audio from your Mac through multiple AirPlay speakers at the same time. iOS 11 and macOS 10. 13 High Sierra both add multi-room AirPlay support to the operating sytem, making Porthole redundant.