Downloading GSmartControl 1.1.4 from the developer's website was possible when we last checked. We cannot confirm if there is a free download of this software available. The actual developer of the free software is Alexander Shaduri.
This PC software can be installed on 32-bit and 64-bit versions of Windows XP/Vista/7/8/10/11. GSmartControl lies within System Utilities, more precisely HDD Management. The most popular versions among the program users are 1.1 and 0.8. Gsmartcontrol.exe is the default file name to indicate the GSmartControl installer. We recommend checking the downloaded files with any free antivirus.
From the developer:
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 and solid-state drives. It allows you to inspect the drive's SMART data to determine its health, as well as run various tests on it.
You may want to check out more software, such as Ashampoo Magical Defrag, DiskBoss or WD Link, which might be related to GSmartControl.