October 2025 updates to the largest compilation of recommended free and open source software available for Linux.
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Easy Flatpak – manage flatpaks with a simple GUI
Easy Flatpak helps you install Flatpak apps in a user-friendly way. The tool has recipes for some of them to install them even better.
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VailuxOS – Debian-based Linux distribution built on Ubuntu
VailuxOS’s main goal is to make the transition from Windows to Linux as seamless as possible by maintaining familiar ways of working.
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bibiman – TUI for fast and simple interaction with a BibLaTeX database
bibiman is a simple terminal user interface for handling your BibLaTeX database as part of a terminal-based scientific workflow.
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Cyrethium – Debian-based Linux distribution focused on privacy and security
Cyrethium is a Debian-based distribution that can route all incoming and outgoing internet traffic through the Tor network.
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17 Best Free and Open Source Email Servers
Here’s our verdict on free and open source email servers. We recommend Exim, OpenSMTPD, mox, DBMail, WildDuck, and Stalwart.
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SLADE3 – modern editor for Doom-engine based games
SLADE3 is a modern editor for Doom-engine based games and source ports. It can view, modify, and write many different game-specific formats.
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hyprwhspr – native speech-to-text
hyprwhspr is a native speech-to-text designed for Arch / Omarchy. It aims to provide fast, accurate and easy system-wide dictation.
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Karapulse – karaoke player
Karapulse is a Linux karaoke player supporting CDG/MP3 as well as video files.
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bibman – CLI/TUI bibliography manager
bibman is a CLI/TUI bibliography manager. It does not use a database but stores every bibliographic entry as a separate text file.
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sshtool – simple interactive SSH session manager
sshtool is a simple interactive SSH session manager with encrypted configuration storage using GPG.
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6 Best Free and Open Source Haskell Linter Tools
A linter is a tool used to analyze source code for potential errors, stylistic issues, and adherence to coding standards.
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20 Best Free and Open Source Audio Analyzers
This article examines audio analyzers. This type of software lets you visualize audio spectrum for real-time signals. Some of the programs also lets you analyze amplitude and phase spectrum as well.
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Alien-OS – Debian-based Linux distribution
Alien-OS is a German Linux distribution based on Debian. The distro uses the Regolith Desktop Environment
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Shimmy – lightweight OpenAI API server
Shimmy is a 4.8MB single-binary that provides 100% OpenAI-compatible endpoints for GGUF models.
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d77void – respin of Void Linux with window managers
d77void is a respin of Void Linux, created to demonstrate the capabilities of Void’s tools, such as void-mklive and void-packages.
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9 Best Free and Open Source Diary Software
This article identifies flexible and useful diary tools for the Linux desktop. Free and open source software only.
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mtr085 – full screen ncurses traceroute tool
mtr combines the functionality of the traceroute and ping programs in a single network diagnostic tool.
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Arkane Linux – immutable, atomic Arch-based distribution
Arkane Linux is an opinionated, immutable, atomic Arch-based distribution that aims to provide a GNOME-centered experience
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Xapers – personal journal article management system
Xapers is a personal document indexing system, geared towards academic journal articles. It’s written in Python.
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