http://forums.debian.net/viewtopic.php?f=3&t=118319Thread enumerating distributions without systemd
http://without-systemd.org/wiki/index.php/Main_PageA more comprehensive list of distributions without systemd
https://forums.gentoo.org/viewtopic-p-7648392.htmlThread enumerating distributions which have adopted eudev (which is often, though not always, to avoid the systemd dependency)
http://www.gabordemooij.com/index.php?p=/escape_from_systemdA blog post where the author enumerates the distributions whose maintainers have come out and officially stated that they are against adoption of systemd
http://judecnelson.blogspot.in/2014/09/systemd-biggest-fallacies.html
http://wiki.linuxquestions.org/wiki/Prevent_systemd_installation
http://www.pgdba.co.uk/2016/11/goodbye-to-ubuntu-hello-slackware.htmlanecdotal testimony from Federico Campoli
https://people.debian.org/~stapelberg/docs/systemd-dependencies.htmlsystemd dependencies table, also archived at http://ciar.org/ttk/hosted/55dc6.html
https://linux.slashdot.org/story/17/07/29/1647255/systemd-named-lamest-vendor-at-pwnie-security-awardsSystemd named "lamest vendor" at Pwnie Security Awards (Black Hat USA)
http://forums.debian.net/viewtopic.php?t=120652History of the Debian systemd decision, by self-described "original systemd hater"
https://forums.gentoo.org/viewtopic-t-1065458-highlight-systemd.htmlGentoo thread enumerating systemd problems
Distributions switched away from systemd:VoidLinux, Nutyx, Simplicity