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Category: CLI

Radio

Software-Defined Radio: 20 Best Free Tools for Linux

May 6, 2026 Steve Emms CLI, GUI, Multimedia, Roundup

This roundup looks at the finest software-defined radio tools for Linux including apps that let you listen to DAB and DAB+ broadcasts.

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Diff Tools

RCompare – file and directory comparison toolkit

May 5, 2026 Steve Emms CLI, GUI, Utilities

RCompare is a file and directory comparison toolkit written in Rust.

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Selection of utilities

FilesFinder – search for files within a given repository

May 4, 2026 Steve Emms CLI, Utilities

FilesFinder is a command-line utility that searches for files within a repository while respecting ignore rules.

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Selection of utilities

pff – Pretty Fast Find

May 4, 2026 Steve Emms CLI, Utilities

Pretty Fast Find (pff) is a command-line file search utility written in Rust.

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Hellwal – fast and extensible color palette generator

May 4, 2026 Steve Emms CLI, Graphics

Hellwal is designed to create terminal and desktop color schemes from wallpaper images or predefined theme files.

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Log Analyzers

tailspin – terminal log file highlighter

May 3, 2026 Steve Emms CLI, System Software, Utilities

tailspin is a terminal log file highlighter designed for inspecting log output in the shell.

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Log Analyzers

Nerdlog – remote-first terminal log viewer

May 3, 2026 Steve Emms CLI, System Software, Utilities

Nerdlog is a remote-first terminal log viewer designed to help you inspect logs from one or more machines through a single interface.

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Log Analyzers

hl – command-line tool for inspecting structured logs

May 3, 2026 Steve Emms CLI, System Software, Utilities

hl is designed for fast analysis of large log files and streams, helping users search, sort, and navigate log output.

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Terminal Session Recording

20 Best Free and Open Source Terminal Session Recording

May 3, 2026 Steve Emms CLI, Multimedia, Roundup

Console screencast software (also known as terminal recorder) lets you capture your terminal. Here’s our verdict.

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multimon-ng – decoder for a broad range of digital transmission modes

May 3, 2026 Steve Emms CLI, Multimedia

multimon-ng is a command-line decoder for a broad range of digital transmission modes used in radio and signalling workflows.

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Diff Tools

biodiff – terminal-based binary diff viewer

May 2, 2026 Steve Emms CLI, Utilities

biodiff compares two files side by side in a hex view and uses alignment algorithms to keep similar regions lined up.

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matugen – cross-platform color generation tool

May 2, 2026 Steve Emms CLI, Graphics

matugen is a color generation tool that helps users build Material You and base16 based themes from a single source image or color.

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Terminal Session Recording

rec – records terminal sessions

May 2, 2026 Steve Emms CLI, Multimedia

rec is a command-line utility that records terminal sessions and turns them into reusable workflows.

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Radio

rtl_433 – receives and decodes radio transmissions

May 2, 2026 Steve Emms CLI, Multimedia

rtl_433 is a command-line utility that receives and decodes radio transmissions from low-power devices operating on common ISM bands.

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Selection of utilities

fdf – high performance command line file finder

May 2, 2026 Steve Emms CLI, Utilities

fdf is a high performance command line file finder written in Rust.

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Diff Tools

VBinDiff – visual binary diff

May 1, 2026 Steve Emms CLI, Utilities

VBinDiff is a text-based visual binary diff and hexadecimal file viewer that displays file contents in hexadecimal alongside ASCII.

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ZDNS – high-speed DNS resolver and command line utility

May 1, 2026 Steve Emms CLI, Internet

ZDNS is a high-speed DNS resolver and command line utility designed for large-scale DNS measurements.

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Programming

Ohcount – source code line counter and analysis library

April 30, 2026 Steve Emms CLI, Programming

Ohcount is a source code line counter and analysis library originally developed for Ohloh and used to generate code statistics reports.

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Internet Radio

18 Best Free and Open Source Terminal-Based Internet Radio Apps

April 29, 2026 Steve Emms CLI, Internet, Multimedia, Roundup

This article recommends our favourite terminal-based internet radio apps. Free and open source software only.

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Log Analyzers

8 Best Free and Open Source Console Log File Analyzers

April 29, 2026 Steve Emms CLI, Roundup, System Software

Almost everything that happens on a Linux system is logged in some way. We feature the finest open source console-based log file analyzers.

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