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Category: CLI

Security

Bao – verified streaming tool

March 11, 2026 Steve Emms CLI, Security

Bao is an implementation of BLAKE3 verified streaming, as described in Section 6.4 of the BLAKE3 spec.

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DNA

Cryfa – encryption tool for genomic data

March 11, 2026 Steve Emms CLI, Scientific, Security

Cryfa is an encryption tool specifically designed for genomic data.

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Graphics card image

gptop – cross-platform GPU monitor

March 11, 2026 Steve Emms CLI, System Software, TUI

gptop is a terminal-based GPU monitoring utility designed to provide real-time insights into GPU activity in a text user interface

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RAW Tools

DNGLab – camera RAW utility and DNG converter

March 11, 2026 Steve Emms CLI, Graphics

DNGLab is a command line tool to convert camera RAW files to Digital Negative Format (DNG).

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New App of the Week

firemark – flexible Linux watermarking tool for images and PDFs

March 11, 2026 Steve Emms Applications, CLI, Graphics, News

firemark is a command-line tool that adds watermarks to images and PDF documents before sharing them with third parties.

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Images of shells by the sea

fortsh – shell written in Fortran

March 11, 2026 Steve Emms CLI, Utilities

fortsh is an experimental POSIX-compatible command shell written in modern Fortran.

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CDROM

8 Best Free and Open Source Linux Console Audio Grabbers

March 11, 2026 Steve Emms CLI, Multimedia, Roundup

CD audio grabbers are designed to extract (“rip”) the raw digital audio (in a format commonly called CDDA) from a compact disc to a file or other output.

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Camera Tools

rawbit – camera RAW image preprocessor and importer

March 11, 2026 Steve Emms CLI, Graphics

Rawbit processes raw image files by converting them to the DNG format in parallel, while offering the ability to manipulate metadata.

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Calculators

25 Best Free and Open Source Terminal-Based Linux Calculators

March 11, 2026 Steve Emms CLI, Productivity, Roundup

One of the basic utilities supplied with any operating system is the calculator. We recommend the finest terminal-based calculators.

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Task Manager

Taskdog – task management system

March 11, 2026 Steve Emms CLI, Productivity, TUI

Taskdog is a terminal-based task management system designed for users who prefer a keyboard-centric workflow.

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samply – sampling CPU profiler

March 11, 2026 Steve Emms CLI, Programming

samply is a sampling CPU profiler. Run a command, record a CPU profile of its execution, and open the profiler UI.

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Feluda – detect license usage restrictions

March 11, 2026 Steve Emms CLI, Programming

Feluda detects license usage restrictions in your project.

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Documentation

binwalk – search a given binary image for embedded files

March 10, 2026 Steve Emms CLI, Utilities

binwalk is a command-line utility designed for analysing binary files and firmware images.

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Selection of utilities

doot – simple dotfiles manager

March 10, 2026 Steve Emms CLI, Utilities

doot is billed as a fast, simple and intuitive dotfiles manager that just gets the job done.

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Tools that help you

6 Best Free and Open Source Cheatsheet Tools

March 10, 2026 Steve Emms CLI, Roundup, Utilities

A cheatsheet is a concise set of notes used for quick reference. We recommend the best cheatsheet tools for Linux.

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Network Security

10 Best Free and Open Source Linux Terminal-Based Port Scanners

March 10, 2026 Steve Emms CLI, Internet, Roundup, Security, System Software

Linux has a good range of port scanners that help administrators identify and rectify weaknesses in a system.

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Documentation

conceal – operate the recycle bin

March 10, 2026 Steve Emms CLI, Utilities

conceal is a command line recycle bin utility that follows the FreeDesktop Trash specification.

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Security

Nibble – local network scanning tool

March 10, 2026 Steve Emms CLI, Security, TUI

Nibble is a CLI tool for local network scanning that focuses on speed and ease of use.

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Hard disk

Backup with these Linux DeDuplicating Encryption Tools

March 10, 2026 Steve Emms CLI, Roundup, System Software, Utilities

Making file backups is an essential activity for all users, yet many users do not take adequate steps to protect their data.

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Documentation

TrID – identify file types from their binary signatures

March 9, 2026 Steve Emms CLI, Utilities

TrID is a CLI utility designed to identify file types by analysing their binary signatures rather than relying on filename extensions.

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