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Category: CLI

Chemistry

Periodic Table Tools: 7 Best Free and Open Source Linux Tools

April 22, 2026 Steve Emms CLI, GUI, Roundup, Scientific

The periodic table, also known as the periodic table of the elements, is a rows and columns arrangement of the chemical elements.

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Encryption

enc – command-line encryption tool

April 22, 2026 Steve Emms CLI, Security

enc is a command-line encryption tool designed as a modern, approachable alternative to GnuPG.

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Encrypted Files

Sequoia – comprehensive OpenPGP implementation

April 22, 2026 Steve Emms CLI, Security

Sequoia is a comprehensive OpenPGP implementation written in Rust.

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Monitoring

watch – small command-line utility written in C

April 21, 2026 Steve Emms CLI, Utilities

watch is a small command-line utility written in C that periodically runs a shell command at a user-defined interval.

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Monitoring

fswatch – reports changes to files and directories

April 20, 2026 Steve Emms CLI, Utilities

fswatch is a cross-platform command-line utility and frontend to libfswatch that reports changes to files and directories as they happen.

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Documentation

Alternatives to popular CLI tools: cat

April 20, 2026 Steve Emms CLI, Software, Utilities

cat derives its name from concatenation and provides other nifty options too. This article spotlights alternative tools to cat.

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Selection of utilities

chmod-cli – generate chmod commands

April 20, 2026 Steve Emms CLI, Utilities

chmod-cli makes it easier to build chmod commands without having to remember octal values or symbolic permission syntax.

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Network

16 Best Free and Open Source Terminal-Based Gemini Clients

April 19, 2026 Steve Emms CLI, Internet, Roundup, TUI

Here’s our verdict captured in a legendary LinuxLinks-style ratings chart. Only free and open source software is eligible for inclusion.

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Benchmarking

vkmark – Vulkan benchmarking suite

April 19, 2026 Steve Emms CLI, Utilities

vkmark is a Vulkan benchmarking suite built around targeted, configurable scenes to measure different aspects of Vulkan performance.

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Benchmarking

iperf3 – active measurement of network performance on IP networks

April 19, 2026 Steve Emms CLI, Utilities

iperf3 is a command-line utility for active measurement of network performance on IP networks.

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Benchmarking

UnixBench – original BYTE UNIX benchmark suite

April 18, 2026 Steve Emms CLI, Utilities

UnixBench is the original BYTE UNIX benchmark suite, to provide a basic indicator of the performance of Unix-like systems.

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Image of Files

Dongle – move around deep directory trees

April 18, 2026 Steve Emms CLI, Utilities

Dongle is a terminal utility that helps you move around deep directory trees without typing long cd paths by hand.

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Benchmarking

glmark2 – graphics benchmark

April 18, 2026 Steve Emms CLI, Utilities

glmark2 is a graphics benchmark designed to measure the performance of OpenGL 2.0 and OpenGL ES 2.0 implementations

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OpenRDAP – command line client for the Registration Data Access Protocol

April 17, 2026 Steve Emms CLI, Internet

OpenRDAP is a command line client for the Registration Data Access Protocol (RDAP) written in Go.

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Image of Files

icd – makes changing directories quicker

April 17, 2026 Steve Emms CLI, Utilities

icd is a shell utility that makes changing directories quicker and more convenient.

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Network Security

19 Best Free and Open Source CLI Data Hashing Tools

April 17, 2026 Steve Emms CLI, Roundup, Security

Hashing is the process of passing data through a formula that produces a condensed fixed-value representation, called a hash value.

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ebook reader

3 Free and Open Source CLI ebook Readers

April 17, 2026 Steve Emms CLI, Documents, Productivity, Roundup, Software

This article showcases CLI ebook readers for Linux. We only feature free and open source software here.

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Selection of utilities

Telepipe – command-line shell for GNOME

April 16, 2026 Steve Emms CLI, Utilities

Telepipe is a graphical command-line shell for GNOME that offers a desktop-oriented way to run text-mode command-line programs.

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Network

rdapper – command-line RDAP client

April 16, 2026 Steve Emms CLI, Internet

rdapper retrieves registration data for internet resources and presents the results in a human-readable terminal format.

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Maths

REDUCE – general-purpose computer algebra system for symbolic computation

April 15, 2026 Steve Emms CLI, Scientific

REDUCE is a portable general-purpose computer algebra system for symbolic computation.

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