Xubuntu
Xubuntu is a community-developed operating system based on Ubuntu. It comes with Xfce, which is a stable, light and configurable desktop environment.
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Peppermint OS
Peppermint OS is a Debian- and Devuan-based (previously a Lubuntu-based) Linux distribution that aims to be fast and easy on system resources. By employing its Site Specific Browser, Peppermint integrates seamlessly with cloud and web-based applications.