GNOME OS
GNOME OS is an experimental, immutable Linux distribution that ships the latest in-development GNOME desktop, core applications and stack. It serves as a reference for developers and testers.
VS
EasyOS
EasyOS is an experimental Linux distribution which uses many of the technologies and package formats pioneered by Puppy Linux. The distribution features custom container technology called Easy Containers which can run applications or the entire desktop environment in a container.