Self-Perfection [1] filed a deletion request for zim-bzr [2]: A couple of years ago zim development migrated (and from launchpad to github). Most recent version now available via https://aur.archlinux.org/packages/zim-git/
[1] https://aur.archlinux.org/account/Self-Perfection/ [2] https://aur.archlinux.org/pkgbase/zim-bzr/
