Open source File utilities for Linux

AcetoneISO2

AcetoneISO2, is a feature-rich and complete software application to manage CD/DVD images. (GPL)

Linux

Baobab

Baobab is a GNOME graphical disk-space analyzer. It is a part of GnomeUtils. (GPL)

Linux - Linux

Converseen

Converseen is a free cross-platform batch image processor for Windows and Linux that allows you to convert, resize, rotate and flip an infinite number of images with a mouse click. (GPL)

Windows - Linux - FreeBSD

Filelight

Filelight creates an interactive map of concentric, segmented rings that help visualise disk usage on your computer. (GPL)

Linux - FreeBSD

FSlint

FSlint is a toolkit to clean filesystem lint, including duplicate files, badly named paths, and broken symlinks. (GPL)

Linux - FreeBSD

Meld

Meld is a visual diff and merge tool. You can compare two or three files and edit them in place. (GPL)

Linux - FreeBSD

TestDisk

TestDisk is a powerful free data recovery software! It was primarily designed to help recover lost partitions and/or make non-booting disks bootable again. (GPL)

Linux - FreeBSD - Windows - macOS

Xecrets File Command Line

Xecrets File Command Line is a powerful cryptographic toolbox available for Windows, macOS and Linux. File encryption is compatible with AxCrypt, in fact it is based on the exact same code, but does not have a graphical user interface as it's been re-engineered into a pure command line utility. (GPL)

Windows - macOS - Linux

8 applications