Skype 1.1.0.79 - a freeware utility for voice communication via internet. Skype's network is based on peer-to-peer technology and it's author was the main Kazaa administrator. Skype works with all firewalls, NAT and routers without configuring. Skype has it's own list of the subscribers. All chats are ehciphered. Download Skype 1.1.0.79 here
Skype 1.0.0.100 - new version of a freeware utility, which allows voice communication via internet (though it allows also text messages). The network is based on peer-to-peer technology. All information transferred is encoded. Skype does not require high speed connection. The voice quality is enough even on dial-up. Download Skype 1.0.0.100 here
Skype 1.0.0.94 - new version of the free program, which allows to voice communicate over the internet (though it supports short message service). THe network is based on peer-to-peer routing technology. All information sent is being encoded. It doesn't require high-speed internet connection - the sound quality is acceptable even on dial-up. Download Skype 1.0.0.94 here.