Multiplicity - Multiplicity enables a user to control multiple computers with one keyboard and mouse.
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.
spacedesk - spacedesk expands the Windows desktop computer screen to other computers over the local area...
AudioRelay - Listen to your PC audio, use your phone as a mic or stream audio from your phone
Air Display - Air Display allows extra screens to extend the display size of a Mac desktop. The company behind the product is Avatron Software, which was founded in 2008. Read more about Air Display.
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.