(on Wikipedia)
abandoned [ 1 ] was https://web.archive.org/web/20190313003108/http://wmii.suckless.org/ [ 2 ] the author died: https://web.archive.org/web/20140208043925/http://www.lmt.uni-saarland.de/de/aktuelles/grelich.html
https://code.google.com/archive/p/wmii/
Forked into i3m, which has since become its own independent project.