Pop!_OS
Pop!_OS is an Ubuntu-based Linux distribution featuring its own GNOME-based desktop environment called COSMIC. It is designed with productivity in mind; it has fluid windows, search navigation via the Super key, workspaces that can hide clutter, and efficient auto-tiling of windows.
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AV Linux
AV Linux is a versatile, Debian-based distribution featuring a large collection of audio and video production software. Additionally, it also includes a custom kernel with IRQ threading enabled for low-latency audio performance.