Santools.com has 2 URLs listed in 2 Dmoz categories.
SANtools, Inc. Software and services for disc storage subsystems. Software includes storage monitoring utilities that identify crash-prone disks using S.M.A.R.T on Windows and most UNIX variants, supporting SCSI, ATA/SATA, SAS and fibre channel. http://www.santools.com/ Top/Computers/Software/Diagnostics