Skype has become a popular application for instant messaging, voice calls and videoconferencing. It´s main advantage over other clients has ever been the very elegant firewall handling. This again is the feature that prevents a wider spread of Skype in a bussiness context because of well documented security concerns.

Nevertheless – Skype remains best of breed for the private user. Features are constantly added and flatrate calling plans are especially interesting for expats or travellers calling home frequently.

More on skype.com