Lumina is a lightweight, BSD licensed, standards-compliant desktop environment based upon Qt and Fluxbox. It is being developed on PC-BSD, and is being packaged for distribution on the PC-BSD package repository as well.
Moksha Alternatives
Moksha is described as 'Fork of Enlightenment version 17 (commonly called E17) used as the main desktop environment on Bodhi Linux' and is a desktop environment in the os & utilities category. There are more than 25 alternatives to Moksha for a variety of platforms, including Linux, BSD, Windows, Mac and Linux Mobile apps. The best Moksha alternative is KDE Plasma, which is both free and Open Source. Other great apps like Moksha are GNOME, Xfce, Cinnamon and Noctalia.
Alternatives list
UKUI is a lightweight desktop environment based on pluggable framework for Linux and other Unix-like Distributions. It is developed using GTK and Qt.
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Bluetile is a tiling window manager for Linux, designed to integrate with the GNOME desktop environment. It provides both a traditional, stacking layout mode as well as tiling layouts where windows are arranged to use the entire screen without overlapping.
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