(containerized apps)

Open-source security-oriented operating system for single-user desktop computing. It uses virtualisation,to run each application in its own compartment to avoid data being leaked. It features Split GPG, U2F Proxy,and Whonix integration. Qubes makes is easy to create disposable VMs which are spawned quickly and destroyedwhen closed. Qubes is recommended by Edward Snowden.

(live)

Tails is a live operating system (so you boot into it from a USB, instead of installing). It preserves yourprivacy and anonymity through having no persistent memory/ leaving no trace on the computer. Tails has Torbuilt-in system-wide, and uses state-of-the-art cryptographic tools to encrypt your files, emails and instantmessaging. Open source, and built on top of Debian. Tails is simple to stop, configure and use.

(security)

Parrot Linux, is a full Debian-based operating system, that is geared towards security, privacy and development.It is fully-featured yet light-weight, very open. There are 3 editions: General Purpose, Security and Forensic.The Secure distribution includes its own sandbox system obtained with the combination of Firejail and AppArmorwith custom security profiles. While the Forensics Edition is bundled with a comprehensive suite of security/pen-testing tools, similar to Kali and Black Arch.

(offline)

Aimed at journalists, activists and whistle-blowers, Discreete Linux is similar to Tails, in that it is bootedlive from external media, and leaves no/ minimal trace on the system. The aim of the project, was to provideall required cryptographic tools offline, to protect against Trojan-based surveillance.

(Docker)

Alpine is a security-oriented, lightweight distro based on musl libc and busybox. It compiles all user-spacebinaries as position-independent executables with stack-smashing protection. Install and setup may be quitecomplex for some new users.