Tails, also known as The Amnesic Incognito Live System, is a Linux operating system distribution based on Debian. It is designed to maximize the privacy and anonymity of users online.
Qubes OS is an operating system distribution designed to maximize security when using your computer.
OpenWRT is a Linux distribution that was developed for use in routers and other network equipment devices. It is free and open source software, and can be modified and customized according to the user's needs.
TENS (Trusted End Node Security) is a Linux operating system distribution developed by the National Institute of Standards and Technology (NIST) to provide security and privacy protection for data on user computers. The goal of TENS is to provide an isolated and secure environment for performing sensitive operations and accessing sensitive information resources.
Created in 2003, Puppy Linux is a small Linux distribution conceived for use on computers with low RAM. Today, it is available in three flavors: official releases from the development team, which are often used to perform simple tasks; woof-built Puppy Linux releases, which may contain additional packages to enhance the system's capabilities; and unofficial releases, also called "paplets", which are remakes of the official versions created by enthusiasts.
SliTaz Linux is a small, fast, stable and customizable distribution of the Linux operating system. It is developed by a small team of programmers and is suitable for use on old and low-powered computers, routers, embedded systems, and for use as a live-CD/DVD. SliTaz Linux boots very quickly and requires minimal system resources
DamnSmall is a lightweight Linux-based distribution (miniature operating system) that takes only a few megabytes and can run on old and weak computers (e.g. with 16-32 MB of RAM). DamnSmall already has some applications pre-installed, such as a text editor, a browser, a console interpreter for the Basic programming language, and the ability to connect to a Wi-Fi network.
TinyCore is a minimalist Linux distribution consisting of the Linux kernel, basic utilities, and a desktop environment. It is available in several versions, including TinyCore, CorePlus and TinyCorePure64.
Alpine Linux is a minimalist Linux distribution that is designed to work economically and quickly on servers, Docker containers, virtual machines and other systems with limited resources
Damn Small Linux (DSL) is one of the most compact Linux distributions, combining minimalist design, ease of use, and high performance. It is designed to run on legacy computers and weak machines, including Pentium II and III, as well as systems on AMD, Cyrix, and other processors. DSL includes many tools for file manipulation, social networking, multimedia, and Internet browsers. This distribution is only about 50 MB in size and can be run from CDs and USB disks.