The GNU Operating System is a free software movement that provides users with the freedom to run, copy, distribute, study, change and improve software.

Debian is a free operating system for various hardware architectures.

aaPanel is a Control Panel Software that offers a simple but powerful solution for managing Linux servers with one-click installations of LNMP/LAMP/OpenLiteSpeed environments and software.

Virtualmin is a powerful, open-source web hosting control panel for Linux, designed for web developers and IT professionals to efficiently manage servers and deploy web applications.

Red Hat is the world's leading provider of enterprise open source solutions, including high-performing Linux, cloud, container, and Kubernetes technologies.

GNOME is an open-source desktop environment for Linux users and developers.

The Missing Package Manager for macOS (or Linux).

Arch Linux is the best lightweight Linux distribution for developers and tech enthusiasts, providing a flexible and simple environment.

Slashdot is the best news source for technology and open source enthusiasts and is used by tech-savvy individuals and communities.

KDE is an open community developing and distributing Open Source software.

Linux Foundation is a neutral hub for developers to collaborate on open technology projects.

Softpedia is a free downloads encyclopedia for Windows, Mac, Linux, and Smartphones, offering software downloads, tech news, and reviews.

Q&A platform for Ubuntu users and developers

Canonical is a company that provides open source software and services for enterprises.

BetaNews is a technology news and analysis website for tech enthusiasts and professionals.

CloudLinux OS is a platform providing enhanced security, stability, and performance for Linux web hosting environments, including security suites like Imunify360.

FreeHostia provides free, ad-free web hosting with Linux, PHP, and MySQL, featuring a 1-click installer and cluster-based platform for fast performance.

TMDHosting is a fully managed web hosting provider offering superior performance, speed, and 24/7 expert support for shared, VPS, and dedicated server needs.

Flathub is an app store for Linux, offering a wide range of apps and games.

CyberCiti is the best resource for Linux and Unix tutorials and is used by system administrators and tech enthusiasts.

Linux Journal is the original magazine of the global Open Source community, providing deep dives on Linux, Kernel, Cloud, Security, and SysAdmin topics for over 25 years.

Technology news and advice blog

ModDB is a platform in the gaming industry that focuses on game development, modding, and provides downloads of the best user generated content for Windows, Mac and Linux.

HowtoForge is a Linux tutorial and guide platform for system administrators and developers.