miracle-wm is a Wayland compositor based on Mir. It features a tiling window manager at its core, very much in the style of i3 and sway. The intention is to build a compositor that is flashier and more feature-rich than either of those compositors, like swayfx.
Snaps are applications packaged with all their dependencies to run on all popular Linux distributions from a single build. They update automatically and roll back gracefully.
Snaps are discoverable and installable from the Snap Store, an app store with an audience of millions.