Hello. Hope it's right place to post such thing. I dunno if there is any nikto gui for linux so i wrote some.In fact it is designed for BackTrack It's simple, written in perlTk, here is screenshot:

x1machine.com/img/niktogui.png

If anyone is interested you can download it here:

x1machine.com/db/niktogui.tar

It's beta, so you can test it and send me some info about bugs and stuff.