AudioRelay Alternatives

Audio Share can share Windows/Linux computer's audio to Android phone over network, so your phone becomes the speaker of computer. (You needn't buy a new speaker😄.).

SonoBus is an easy to use application for streaming high-quality, low-latency peer-to-peer audio between devices over the internet or a local network.

A macOS menubar app that lets you share audio between two Bluetooth devices simultaneously. PairPods makes it easy to create shared listening experiences.

Send any audio to the AirPort Express. Send any audio to AirPort Express units, Apple TVs, and even other Macs and PCs, all in sync! Airfoil for Mac gives you your audio - everywhere.

SoundWire lets you send any music or audio ("what you hear now") from your Windows or Linux PC to your Android mobile devices.

Utility for turning your Android smartphone or tablet into a wireless speaker.

Snapcast enhances audio players, creating a multiroom solution with synchronized playback via client-server architecture. It allows simultaneous audio feeds and client grouping, integrating well with MPD and Mopidy for perfect audio distribution.

Stream What You Hear (SWYH) is a Windows application to broadcast the sound of your computer (ie: “what you hear”) on an UPnP/DLNA device such as TVs, amps, network receivers, game consoles, etc...

SoundShare brings seamless audio sharing to macOS, allowing you to connect multiple Bluetooth audio devices and share music, podcasts, or videos with friends.

Audio Source forwards Android microphone audio input to the PulseAudio daemon through ADB, so you can use your Android device as a USB microphone.

WO Mic can turn your phone to be a microphone for your computer. Millions of people have installed it and are using it daily for talking, recording, voice remote control and many other activities.

Redirects and centralizes audio between PCs, enabling sound transfer across network for applications like chat, music, and alerts with easy toggling and up to four shared installations.