MODICIA O.S. is a Linux multimedia distribution designed primarily for musicians, graphic designers and video makers. It is based on Debian's "stable" branch, but uses the Cinnamon desktop and a recent Linux kernel. MODICIA O.S. comes with a set of carefully-selected, open-source multimedia software and tools, such as Audacity (audio editor), Brasero (disc-burning utility), Cheese (webcam application), Curlew (multimedia converter), GIMP (graphics editor), HandBrake (video transcoder), Kdenlive (video editor), MediaInfo (tool that provides technical data about media files), mpv (media player), Peek (animated GIF recorder), RawTherapee (photo processor), XnView (image viewer), and many others. The distribution also integrates the OnlyOffice software suite for general office tasks.

CentOS as a group is a community of open source contributors and users which started in 2003 and has been sponsored by Red Hat since 2014. CentOS Linux versions up to CentOS Linux 8 are 100% compatible rebuilds of Red Hat Enterprise Linux, in full compliance with Red Hat's redistribution requirements. In 2020 it was announced CentOS Linux is being discontinued and replaced with CentOS Stream, a developer-focused distribution which acts as a middle-stream between Fedora and Red Hat Enterprise Linux.

MidnightBSD is a FreeBSD-derived operating system. A critical goal of the project is to create an easy-to-use desktop environment with graphical ports management, and system configuration using GNUstep. The vast majority of the operating system will maintain a BSD license. MidnightBSD was forked from FreeBSD 6.1 beta.

Founded in 2014 by Oliver Pinter and Shawn Webb, HardenedBSD is a security-enhanced fork of FreeBSD. The HardenedBSD Project is implementing many exploit mitigation and security technologies on top of FreeBSD. The project started with Address Space Layout Randomization (ASLR) as an initial focal point and is now implementing further exploit mitigation techniques.

NuTyX is a French Linux distribution (with multi-language support) built from Linux From Scratch and Beyond Linux From Scratch, with a custom package manager called "cards". The package manager can install individual binary packages, a group of related binary packages (e.g. desktop packages, such as KDE or Xfce), and compile source packages from "ports". The distribution is designed for intermediate and advanced Linux users.