Vanilla OS
Vanilla OS, a fixed-release distribution based on Debian (formerly Ubuntu, prior to version 2) with the GNOME desktop, is an immutable operating system. The core parts of the system are locked down to prevent unwanted changes and corruption from third-party applications or a faulty update.
VS
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.