Mabox Linux
Mabox Linux is a Manjaro-based rolling-release distribution. It features the Openbox window manager as its default user interface and provides a welcome screen with access to utilities which add additional software to the operating system.
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FydeOS
FydeOS, developed by Fyde Innovations, is a lightweight operating system that carries a Linux kernel, a browser platform and a container technology driver. It is very similar to Google ChromeOS in use.