Distros

Trisquel GNU/Linux is a 100% libre Ubuntu-based Linux distribution. Its main purpose is to provide an operating system for varied audience, including home and office users, educational institutions, multimedia workstations, etc. The project is managed by independent developers and is partially funded by donations.

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.

TrueNAS CORE (previously known as FreeNAS) is a free and Open Source Network-Attached Storage (NAS) operating system that supports file, block and object storage. TrueNAS CORE is FreeBSD based and is a community-supported branch of the TrueNAS project, sponsored by iXsystems. It also has a commercial branch called TrueNAS Enterprise and a free and HyperConverged storage solution called TrueNAS SCALE. The TrueNAS SCALE branch is based on the Debian Linux distribution.

Tsurugi Linux is an Ubuntu-based Linux distribution designed to support Digital Forensics and Incident Response (DFIR) investigations, malware analysis, and Open Source INTelligence (OSINT) activities. It comes with many popular software tools to conduct an in-depth forensic or incident response investigation, as well as several special features, like device write blocking at kernel level, a dedicated Computer Vision analysis functionality, and an OSINT profile switcher. Tsurugi Linux can be used in live mode but its main goal is to be installed and to serve as the default forensics lab.

TTOS Linux is a desktop-oriented Linux distribution based on Debian's "Stable" branch. It comes with several custom utilities and features, such as a user-friendly Internet security suite, an animated live wallpaper, NVIDIA GPU support, a ClamAV antivirus suite, Android remote messaging, UEFI support, and a net system installer with a choice of multiple desktop environments.

TurnKey Linux is a Debian-based virtual appliance library that integrates some of the best open-source software into ready-to-use solutions. Each virtual appliance is optimised for ease of use and can be deployed in just a few minutes on bare metal, a virtual machine and in the cloud. The growing list of virtual appliances, each of which is available as a CD image or virtual machine image, include Bugzilla, Django, Drupal, File Server, Joomla, LAMP, Magento, Mantis, MediaWiki, MoinMoin, Moodle, MovableType, MySQL, Openbravo, phpBB, PostgreSQL, ProjectPier, Rails, Revision Control, StatusNet, Apache Tomcat, Torrent Server, Trac, TWiki, vtiger, WordPress, Zimra and others.