Discord: An alternative to Skype and FaceTime aimed at gamers

The Discord app promises a direct voice connection between users. It's aiming to compete with the likes of Skype and FaceTime.

In online team games, good communication is usually a key to success. Enter the Discord app, which promises a direct voice connection without demanding too much from the computer. 

Users can set up their own servers, free of charge, to which they can invite their friends. They can then communicate by text or voice.