Top Alternatives to Porthole

Airfoil is a versatile audio streaming application that allows you to send any audio from your computer to various receiving devices including AirPlay, DLNA, Chromecast, and even other computers and mobile devices. It enables synchronized playback across multiple outputs, making it perfect for whole-house audio.

AirMyPC is a versatile Windows software that enables seamless streaming and mirroring of your PC's desktop and applications to Apple TV, Chromecast, and other AirPlay/Miracast receivers. It supports screen mirroring, extended displays, webcam mirroring, audio streaming, and screen recording.

AirPlay is Apple's wireless streaming technology, enabling seamless playback of audio, video, photos, and device screens from compatible Apple devices to AirPlay-enabled speakers, TVs, and other hardware, facilitating effortless content sharing within your home network.

WiFi Audio Wireless Speaker transforms your Android device into a wireless audio receiver, allowing you to stream music and other audio content from various sources like PCs and other mobile devices directly to your phone or tablet. It eliminates the need for physical cables for sharing audio output.

Stream What You Hear (SWYH) is a lightweight Windows application designed to broadcast the audio output of your computer to UPnP/DLNA compatible rendering devices.