The K-Lite Codec Pack is a free software bundle for high quality playback of all your music and video files. It is easy to use, but also very flexible with many options. Enjoy problem free playback of MKV, AVI, FLV, and all other multimedia file formats.
♥♥♥ Real Alternative: Play RealMedia Files Without Installing RealPlayer
Skype messenger is familiar for internet chat users. Skype use similar technology (Peer to Peer) as used by Kazza to connect with other users but Skype is not for file sharing, but to talk and chat with your friends.