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GParted

Description: GNOME Partition Editor (GParted) is a free partition editor for graphically managing your disk partitions.
Interface: Linux Boot CD
License: Open-Source
Functions: With GParted you can resize, copy, and move partitions without data loss.
Homepage
Platforms: Linux
Commentary: Graphical interface, boot disk supports UEFI
Usage Example: Burn iso to boot device and boot on the target machine. Does not support data wiping. Full list of features here.

Screenshot:

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gum

Description: A tool for glamorous shell scripts. Leverage the power of Bubbles and Lip Gloss in your scripts and aliases without writing any Go code!
Interface: GUI
License: open-source MIT
Homepage
Platforms: Linux 32-bit, 64-bit, ARM64, ARM7 - Windows 32-bit, 64-bit
Commentary

Screenshot:

gum.gif

Additional Details: