Alternatives to Porthole for all platforms with any license

Airfoil

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...

Commercial Mac OS X Windows Linux Android iPhone ... Android Tablet iPad
Support AirPlay Stream audio Add a feature

68 Like
Stream What You Hear

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...

Free Open Source Windows
Stream audio Add a feature

13 Like
SoundWire

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

Freemium Windows Linux Android Raspberry Pi
Low Latency Send audio from PC to Android Stream audio Add a feature

7 Like
StreamToMe

StreamToMe is an app for Windows, Mac OSX, and iOS that lets you stream music and video files (in a wide variety of formats) live from another computer. StreamToMe...

Commercial Mac OS X Windows iPhone iPad
No features added Add a feature

14 Like
WiFi Audio Wireless Speaker

This App makes your Android device a wireless speaker. How it works: Download Windows or Linux executables on your machine depending on the OS Run WiFi Audio...

Free Windows Linux Android Android Tablet
Stream audio Add a feature

12 Like
AirPlay

AirPlay lets you stream music throughout your entire house — wirelessly. AirPlay wireless technology will be fully integrated into speaker docks, AV receivers, and...

Free iPhone iPad
iTunes integration Add a feature

11 Like
Stardock Acoustic Bridge

Acoustic Bridge gives you the power to redirect audio from one PC to the speakers of another PC. This enables you to send the sound from a PC with your music collection...

Commercial Windows
Stream audio Add a feature

2 Like
SpeakerShare

This is a Java application to use the speaker connected to other computer on the network. It transfers audio in uncompressed PCM format and uses 172 kilobyte per second...

Free Mac OS X Windows Linux
Stream audio Add a feature

4 Like
- Discontinued The official website is no longer available. Last version, 1.0, released in January 2014, can be still downloaded from Softpedia.
AirMyPC

AirMyPC allows you to wirelessly AirPlay mirror your Windows PC screen and sound to your TV through 2nd/3rd AppleTV. Basically AirMyPC lets you to mirror your computer...

Commercial Windows
PC to AppleTV Support AirPlay ChromeCast Mirroring Screen Mirroring ... Second monitor support Webcam Mirroring Windows to Apple TV Add a feature

14 Like
Soundfly

Soundfly uses Apple's AUNetSend and Soundflower to broadcast audio to another mac on your network. It comes as a package containing an application that sends to...

Free Mac OS X
Stream audio Add a feature

1 Like
Share Speaker Player

Share Speaker Player is an outstanding yet easy-to-use application to share speaker in LAN with high quality. It is a good way to decrease the cost of speaker in office...

Free Windows
Stream audio Add a feature

0 Like
- Discontinued The official website is no longer available. Last version, 1.10, released in August 2009, can be still downloaded from Wayback Machine
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