slackbuilds_ponce/system/gsmartcontrol

GSmartControl is a graphical user interface for smartctl (from
Smartmontools package), which is a tool for querying and
controlling SMART (Self-Monitoring, Analysis, and Reporting
Technology) data on modern hard disk drives. It allows you to
inspect the drive's SMART data to determine its health, as well
as run various tests on it.

Requires gtkmm, available at SlackBuilds.org