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Netdeep Secure Firewall is a comercial Linux distribution designed for firewalls, developed by Neetdeep Tecnologia Ltda in Brazil. It is built from scratch on top of a Linux kernel and GNU utilities. The distribution provides a web-based interface for configuring various services, including network, Unified Threat Management (UTM), Deep Packet Inspection (DPI), URL filter, captive portal and hotspot, antivirus, reports and audits, secure connection over virtual private networks, intrusion detection and prevention, traffic control, balancing and failover, and many others. The company also provides licences and commercial support for users located in Brazil.

Version:7.2.2 (stable) Released:2026-08-28 Source:linux-7.2.2.tar.xz PGP Signature:linux-7.2.2.tar.sign Patch:full (incremental) ChangeLog:ChangeLog-7.2.2

Version:7.1.12 (stable) Released:2026-08-28 Source:linux-7.1.12.tar.xz PGP Signature:linux-7.1.12.tar.sign Patch:full (incremental) ChangeLog:ChangeLog-7.1.12

Version:6.18.48 (longterm) Released:2026-08-28 Source:linux-6.18.48.tar.xz PGP Signature:linux-6.18.48.tar.sign Patch:full (incremental) ChangeLog:ChangeLog-6.18.48

Version:6.12.107 (longterm) Released:2026-08-28 Source:linux-6.12.107.tar.xz PGP Signature:linux-6.12.107.tar.sign Patch:full (incremental) ChangeLog:ChangeLog-6.12.107

Version:6.6.155 (longterm) Released:2026-08-28 Source:linux-6.6.155.tar.xz PGP Signature:linux-6.6.155.tar.sign Patch:full (incremental) ChangeLog:ChangeLog-6.6.155

Version:6.1.186 (longterm) Released:2026-08-28 Source:linux-6.1.186.tar.xz PGP Signature:linux-6.1.186.tar.sign Patch:full (incremental) ChangeLog:ChangeLog-6.1.186

Version:5.15.219 (longterm) Released:2026-08-28 Source:linux-5.15.219.tar.xz PGP Signature:linux-5.15.219.tar.sign Patch:full (incremental) ChangeLog:ChangeLog-5.15.219

Version:5.10.268 (longterm) Released:2026-08-28 Source:linux-5.10.268.tar.xz PGP Signature:linux-5.10.268.tar.sign Patch:full (incremental) ChangeLog:ChangeLog-5.10.268

Xubuntu is a community-developed operating system based on Ubuntu. It comes with Xfce, which is a stable, light and configurable desktop environment.

Edubuntu is a partner project of Ubuntu, a distribution suitable for classroom use. The aim is that an educator with limited technical knowledge and skill will be able to set up a computer lab, or establish an on-line learning environment, in an hour or less, and then administer that environment without having to become a fully-fledged Linux geek.

An official variant of Ubuntu, Ubuntu Studio is a Linux-based operating system for creative individuals in the areas of audio production, video production, graphics design, photography and desktop publishing. It makes professional audio accessible on Linux; it uses the JACK sound server and a kernel built with a low-latency patch. Up until version 20.10 Ubuntu Studio shipped with the Xfce desktop environment, but this was replaced by KDE Plasma in October 2020.

Ubuntu Cinnamon is an official flavour of the Ubuntu distribution featuring the Cinnamon desktop. The project strives to offer modern tools while providing a user-friendly desktop which will feel familiar for users coming from other operating systems, such as Microsoft Windows.

Ubuntu Budgie (previously budgie-remix) is an Ubuntu-based distribution featuring the Budgie desktop, originally developed by the Solus project. Written from scratch and integrating tightly with the GNOME stack, Budgie focuses on simplicity and elegance, while also offering useful features, such as the Raven notification and customisation centre.

Ubuntu Kylin is an official Ubuntu flavour whose primary goal is to create a variant of Ubuntu optimised for Chinese users (using the Simplified Chinese writing system), although it also supports other languages. The default desktop is called UKUI (Universal Kylin User Interface) which is based on MATE desktop and is developed with the Qt toolkit. UKUI strives to adhere to the friendly-and-simple design concept. The distribution also includes more than 20 applications developed in-house, including Kylin Assistant, Kylin Video, Kylin Screenshots and Software Center.

Lubuntu is a variant of Ubuntu that uses the LXQt desktop environment. (Versions prior to 18.10 shipped with the LXDE desktop.) It includes essential applications and services for daily use, including office suite, PDF reader, image editor and multimedia players. A distribution available for both 32-bit and 64-bit computers, Lubuntu is intended to be user-friendly, lightweight and energy efficient.

Kubuntu is a free, user-friendly Linux distribution based on KDE's desktop software and on the Ubuntu operating system. It has a biannual release cycle. Besides providing an up-to-date version of the KDE desktop at the time of the release, the project also releases updated KDE packages throughout the lifetime of each release.

Ubuntu is a complete desktop Linux operating system, freely available with both community and professional support. The Ubuntu community is built on the ideas enshrined in the Ubuntu Manifesto: that software should be available free of charge, that software tools should be usable by people in their local language and despite any disabilities, and that people should have the freedom to customise and alter their software in whatever way they see fit. "Ubuntu" is an ancient African word, meaning "humanity to others". The Ubuntu distribution brings the spirit of Ubuntu to the software world.

Mauna Linux is a Brazilian desktop Linux distribution based on Debian's "stable" branch. The project offers a set of live images with four desktop environments - Cinnamon, LXQt, MATE and Xfce, plus a separate "Christian Edition" which includes the Bible and various applications meant for use in churches. Some of the distribution's main features include the Calamares system installer, a software store with hundreds of applications maintained by Debian and Mauna Linux, a software manager and updater, and an out-of-the box support for the Portuguese language. The goal of Mauna Linux is to develop a distribution that is easy to use, practical and robust, and which would complement the existing Linux user communities in Brazil and abroad.

TROMjaro is a Manjaro-based Linux distribution with a customised Xfce desktop. Compared to its parent, TROMjaro offers several user-friendly utilities, such as Layout Switcher with six different layouts or Theme Switcher with several accent colours. It also provides various enhancements, including the integration of the Chaotic-AUR repository with pre-built binary packages, a selection of custom wallpapers and icon packs, and extra configuration options in Settings Manager. The distribution comes with support for AppImage files and a heavily-tweaked Firefox browser with custom add-ons.