RainKaZaA is a Internet software developed by gmail. After our trial and test, the software is proved to be official, secure and free. Here is the official description for RainKaZaA:
BS Editor: Read Me For Rain Kazaa 1.1
 What Is Rain Kazaa  Features ---------------------------
 What Is Rain Kazaa Rain Kazaa made to let you have more control on KaZaA and enhace it's performance
1. Forced viewing of traffic and search while Kazaa working offline 2. Forced Disconnect and connect Kazaa 3. Start with windows,start Kazaa on startup,Shut Down when done 4. Auto find more source for download 5. Auto Clear downloaded uploaded and erroneous 6. Auto cancel all uploads 7. Speed selected download 8. Running minimized and minimized tray you can free download RainKaZaA 1.1 now.