Qubes OS
Qubes OS is a free and open-source, security-oriented operating system for single-user desktop computing. Qubes OS leverages Xen-based virtualization to allow for the creation and management of isolated compartments called qubes.
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iDeal OS
iDeal is an MX Linux-based distribution, with various privacy and security settings enabled by default. Privacy and security are the main stated goal of the project, offering to surf, shop, trade and bank online with peace of mind, without advertisements, tracking, logging, bugs, viruses or unwanted disclosure of personal information.