Skype
Make phone and video calls anywhere in the world for free.
Skype uses innovative P2P (peer-to-peer) technology to connect you with other users worldwide. Features include SkypeOut calling to regular and mobile phones, conference calling, secure file transferring, and the ability to put contacts and conversations in tabs for easy access, all through a single-pane interface. Skype calls have better sound quality than your regular phone and are highly secure, with end-to-end encryption. Newer features include up to 5-way group video call, a redesigned calling experience, and an improved video snapshots gallery.
