SN10 software can be found on Ilec's site and on the Knauff and Grove site. The best and most current page for SN10 software is usually on the Knauf and Grove server.
Don Malin's SN10 site manager (version 1.2.2)
Fetch SMSetup.exe via FTP
Fetch conus.sua via FTP see Knauff and Grove site http://www.eglider.org/ for links to more up to date versions.
The B100 was the predecessor of the SN10. More information about the B100 and some limited software updates are available at: http://www.nadler.com/b100/index.html