Linuxディストリビューション

A Debian-based Russian operating system certified for use in classified government, military, and critical-infrastructure environments, with mandatory access-control security features built in.

An Italian-developed, Ubuntu-based live distribution built specifically for digital forensics investigations, with a unified graphical interface tying together its forensic tools and a focus on evidence integrity.

A free, open-source disk imaging and cloning tool distributed as a bootable live Debian-based image, widely used as a free alternative to commercial tools like Norton Ghost.

A French humanitarian-project distribution built specifically for refurbishing donated computers destined for charities and disadvantaged communities, distributed both as Debian- and Ubuntu-based editions.

A small, no-frills live distribution built as a sysadmin's toolkit for system maintenance and disaster recovery, deliberately excluding a desktop environment or unnecessary extras.

A minimal live distribution built around a single purpose: running the GParted graphical partition editor to resize, move, create, or delete disk partitions outside of any installed operating system.

An FSF-endorsed, security- and simplicity-focused distribution that broke from Arch's rolling-release model in favor of a more conservative, long-term-support-style base while keeping Arch package compatibility.

A dedicated, independently built Linux firewall and router distribution, managed entirely through a web interface, with a modular add-on system for extending its networking and security capabilities.

A Debian-based, plugin-extensible NAS operating system created by a former FreeNAS developer, offering a lighter-weight alternative to TrueNAS for home and small-office file-server use.

A fully free-software fork of Arch Linux, removing proprietary packages and non-free firmware from Arch's repositories and shipping the Linux-libre kernel instead of mainline Linux.

Purism's Debian-based, privacy- and free-software-focused distribution, developed as the default OS for its Librem laptops and phones and also FSF-endorsed.

A Russian-developed distribution that originated as a fork of the now-defunct Mandriva Linux, continuing development independently across desktop, enterprise-desktop, and enterprise-server editions.

A Debian-based rescue live distribution built around Rescapp, a guided graphical wizard that walks non-expert users through common boot-repair and password-recovery tasks step by step.

A user-friendly, graphical disk-imaging and backup live distribution built on the same underlying engine as Clonezilla, designed to make backup/restore approachable for non-experts.

An Ubuntu-LTS-based distribution built specifically to run Windows applications inside an integrated virtual machine, aimed at businesses and individuals migrating off Windows without giving up specific Windows software.

A long-running live distribution (formerly SystemRescueCd) built for repairing broken systems -- disk partitioning, data recovery, backup, and Windows/Linux repair tools, all on one boot medium.

An Ubuntu-based distribution that strips out every trace of proprietary software and non-free firmware, one of the small number of distributions officially endorsed by the Free Software Foundation.

iXsystems' Linux-based network-attached storage (NAS) operating system, built on Debian with ZFS, offering enterprise-grade storage features plus built-in container and VM support through a web interface.

An Ubuntu-based digital forensics and OSINT distribution with a dedicated computer-vision analysis toolset and kernel-level device write-blocking, aimed at DFIR investigators and researchers.

An official Ubuntu flavor developed jointly by Canonical and the Chinese government's National University of Defense Technology, tailored to the Chinese market and Chinese-language input/software needs.

A free, open-source virtualization platform built on the Xen hypervisor, forked from Citrix Hypervisor to remain a fully open alternative for running and managing virtual machines at scale.