AirWeb - AirWeb is the first and best web browser for your Apple TV
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.
AirParrot - AirParrot is an interesting piece of software that allows you to view content from your Mac desktop through your television set if you have an Apple TV that can act as a bridge between the two devices. Read more about AirParrot.
AudioRelay - Listen to your PC audio, use your phone as a mic or stream audio from your phone
X-Mirage - X-Mirage is an AirPlay server for Mac and Windows PC that makes it simple to use your Mac or Windows PC to show off your iOS devices on a bigger screen, and record everything onscreen with one click.
SoundWire - SoundWire does audio mirroring (audio cast). You can use any music player on your PC or laptop like Spotify, YouTube, or iTunes and stream low-latency live sound over WiFi directly to your Android device.