SonicDE is described as 'X11-only, init-agnostic desktop environment forked from KDE, removing Wayland components, with Vulkan backend development, for Linux and BSD platforms' and is a desktop environment in the os & utilities category. There are four alternatives to SonicDE for a variety of platforms, including Linux, BSD, KDE Plasma, postmarketOS and openSUSE apps. The best SonicDE alternative is KDE Plasma, which is both free and Open Source. Other great apps like SonicDE are Xfce, LXQt and LXDE.
Plasma is a cross-device work environment by the KDE Community where trust is put on the user's capacity to best define their own workflow and preferences.
Xfce (pronounced as four individual letters) is a free software desktop environment for Unix and other Unix-like platforms, such as Linux, Solaris and BSD. It aims to be fast and lightweight, while still being visually appealing and easy to use.
The "Lightweight X11 Desktop Environment" is an extremely fast-performing and energy-saving desktop environment.
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