Machi（町）is a minimalist window manager with cascading windows, horizontal panels and vertical workspaces. It works on top of river's window management protocol.
Documentation is available as man pages, which are also hosted online:
An example configuration can also be found here.
Dependencies:
wayland-protocolslibwaylandlibxkbcommonzig >= 0.15.2scdoc(optional, for man pages)
zig build -Doptimize=ReleaseSafe