Interesting little app my brother brought to my attention.
They have downloads for Win, OSX, 'buntu 64 bit, Fedora 64 bit, Suse, DEB 32 & 64 bit, and RPM 32 & 64 bit. Looks like bases are pretty well covered for linux. (It's refreshing to see this.)
There are some limits to the free version, like no more than 5 participants in a meeting, and only 100 minutes a month of screen sharing with people not on Yuuguu. But I just briefly tested it and it seems to work fine on my LAN.http://www.yuuguu.com/download/linux_download_others_preview