ConnexionIceWM 4.0 Improves Alt-Tab Window Switcher, Alpha Blending + 32-bit RGBA Default
For fans of the IceWM X11 window manager, the project kicked off 2026 by releasing IceWM 4.0...
Side GNU/Linux is an independently-developed lightweight Linux distribution featuring the PiSi package manager. It uses the Simple Desktop Environment (SDE, a fork of LXDE) together with the Openbox window manager and the text-mode Lynx web browser. The distribution, designed for more experienced Linux users, offers a choice between a simple text-mode system installer and the graphical Calamares installation program. 
Peropesis (personal operating system) is a small-scale, minimalist, command-line-based Linux operating system. It's an incomplete system, but it's constantly being improved. Also, it is a free operating system created from free software, mostly distributed under the GNU GPL or BSD licenses. 
Dr.Parted Live is a bootable GNU/Linux distribution based on Debian's "Testing" branch. It is a live image featuring a lightweight Openbox window manager and useful applications for disc partitioning as well as data backup, restore and recovery. 
Kiro is an Arch Linux-based distribution with the goal of being an intuitive and customisable ISO image builder. It provides a simple way to build a custom Arch-based installation medium with a choice of packages, settings and scripts. Kiro uses the Xfce desktops, includes the Calamares system installer, and has a modular structure. 
I roundup a crop of December's smaller Linux app releases, including the Clapper media player, QEMU virtualisation tool, Scribus DTP and ONLYOFFICE.
Calam Arch Installer is an Arch-based Linux distribution created to facilitate the installation of an Arch Linux system to a hard disk. It is also a full-featured live Linux system with Xfce as the preferred desktop. The Calamares system installer offers a choice of several popular desktop environments and window managers, including Budgie, Cinnamon, Deepin, GNOME, i3, KDE Plasma, MATE, Openbox and Xfce. The distribution also offers support for both BIOS and UEFI boot, as well as hard disk encryption with LUKS. 
Gentoo Linux is a versatile and fast, completely free Linux distribution geared towards developers and network professionals. Unlike other distros, Gentoo Linux has an advanced package management system called Portage. Portage is a true ports system in the tradition of BSD ports, but is Python-based and sports a number of advanced features including dependencies, fine-grained package management, "fake" (OpenBSD-style) installs, safe unmerging, system profiles, virtual packages, config file management, and more. 
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. 