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
BigLinux
BigLinux is a Brazilian Linux distribution localised into Brazilian Portuguese (with support for English). It is was originally based on Kubuntu, but starting from 2017 the distribution was re-born based on deepin.