Specs are quantitative aspects of the option such as the price
Pros
Pro
Can also handle floating windows
Since not all applications suit tiling, a more traditional stacking window manager mode is also available, allowing windows to float at any screen location and overlap.
Windows are placed in named groups which can be used in a similar fashion to virtual desktops. Groups can be added and removed on the fly, and each group has its own frame layout.
musca has zero panels, icons, tabs or window decorations that take up precious screen real estate, though these things can be added on top by installing separate apps to perform these functions.