inSSIDer equivalent for Ubuntu with GUI [closed]

According to this screenshot it should be coming up pretty soon:

"I think you might be looking for something like this:

Aircrack-ng

They also have a setup guide for linux:
User Guides

If that's too complex (it should do the same things at netstumbler), I would suggest this little program:

Kismet - Kismet identifies networks by passively collecting packets and detecting standard named networks, detecting (and given time, decloaking) hidden networks, and infering the presence of nonbeaconing networks via data traffic."