PrivacyScore hosts lists of websites that are contributed by its users. You can browse our collection here.
The list is filtered by tag gnu/linux Remove Filter
The listing is ordered according to the list popularity, i.e., the lists with the most views are shown at the top.
A list of Free Software desktops environments taken from https://en.wikipedia.org/wiki/Comparison_of_X_Window_System_desktop_environments enriched with some more projects I know of which are not in that list.