Kill Winamp is 100% freeware. 

It may be distributed freely as long as the archive and it's
contents isn't altered in any way. 

Use it at your own risk, I take no responsibility whatsoever! 

To get Winamp 3 compatibility you will need to install the
Winamp 2.x Plugin Manager which is included in this archive.
Install it by running KillWinamp\wa2mgr\wa2mgr.exe.

Enjoy!