Building links via those tactics is very easy to do. And for that exact reason, those links tend to have very low value in the eyes of Google (and in some cases can even be flagged as SPAM).
https://www.evilmadscientist.com/forums/users/theknowmz/
https://www.temptalia.com/members/theknowmz/
https://developer.jabra.com/forums/user/profile/11845.page
https://newspicks.com/user/6766036
https://packetstormsecurity.com/user/theknowmz/
https://allods.my.games/forum/index.php?page=User&userID=98521
https://feedback.bistudio.com/people/manage/108298/
https://forums.realtree.com/calendar/event/16-the-audiovisual-device-in-video-games/
https://www.gameskinny.com/gs/theknowmz/
https://network.aza.org/network/members/profile?UserKey=193e7151-abad-40c1-99c6-71d0268e1996
https://community.hodinkee.com/members/theknowmz
https://educosm.openstreetmap.fr/?theknowmz
http://harmonia.toile-libre.org/index.php?file=Members&op=detail&autor=theknowmz
https://os.mbed.com/users/theknowmz/
http://cinematreasures.org/members/theknowmz
http://www.cplusplus.com/user/profile.cgi?w=show
https://alternativeto.net/user/theknowledgeblog6/
https://telegra.ph/What-are-the-Characteristics-of-a-Video-game-05-16
https://www.minds.com/theknowmz/about
https://www.artstation.com/theknowmz/profile
https://www.atlasobscura.com/users/theknowledgeblog6
https://www.pinterest.com.au/theknowledgeblog/_saved/
https://public.tableau.com/profile/theknowmz#!/
https://forums.2k.com/member.php?1716804-theknowmz
http://www.lg102-ciscvaio1.cs.hku.hk/theknowmz
https://scholar.google.co.za/citations?hl=en&user=Sy-mOGEAAAAJ
https://gamejolt.com/@theknowmz
https://forum.eset.com/profile/46856-theknowmz/?tab=field_core_pfield_11
https://pbase.com/theknowledgemz/profile
https://siblingrivalrymc.enjin.com/profile/20777370
However, you shouldn’t ignore this group of link building tactics entirely. Each of them can actually be quite beneficial for your online business for reasons other than acquiring links.
https://communities.sas.com/t5/user/viewprofilepage/user-id/382163
https://profiles.xero.com/people/theknowmz
https://git.soton.ac.uk/theknowmz
https://theknowledgeblog.contently.com/
https://www.walkscore.com/people/190036896253/walk-score-user
https://www.openpetition.de/user/profile/1442080085228
https://actionnetwork.org/users/theknow-mz/profile
https://participez.nancy.fr/profiles/theknowmz/activity
https://participation.lillemetropole.fr/profiles/theknowmz/activity
https://participez.nanterre.fr/profiles/theknowmz/activity
https://participons.debatpublic.fr/profiles/theknowmz/activity
https://decidim.santcugat.cat/profiles/theknowmz/activity
https://participez.villeurbanne.fr/profiles/theknowmz/activity
https://decidim.sabadell.cat/profiles/theknowmz/activity
https://participa.reus.cat/profiles/theknowmz/activity
https://participa.santboi.cat/profiles/theknowmz/activity
https://participa.gavaciutat.cat/profiles/theknowmz/activity
https://budgetparticipatif.saintjeandebraye.fr/profiles/theknowmz/activity
https://participa.rubi.cat/profiles/theknowmz/activity
https://participa.gencat.cat/profiles/theknowmz/activity
https://omastadi.hel.fi/profiles/theknowmz/activity?locale=en
https://www.medialab-prado.es/en/users/theknowmz
https://atelierdevosidees.loiret.fr/profiles/theknowmz/activity
https://budget-participatif.rivp.fr/profiles/theknowmz/activity
https://participate.oidp.net/profiles/theknowmz/activity
https://communities.sas.com/t5/user/viewprofilepage/user-id/382163
https://www.tripadvisor.de/Profile/theknowm
https://vimeo.com/user140333495
https://talk.plesk.com/members/theknowmz.224485/#about
https://www.ebay.com/usr/the-475255
https://en.gravatar.com/theknowmz
https://disqus.com/by/theknowmz/
https://www.scoop.it/u/theknowmz
https://www.buzzfeed.com/theknowmz
https://unsplash.com/@theknowmz
https://profile.hatena.ne.jp/theknowmz/
https://www.quora.com/profile/Theknowledge-Blog
https://www.zippyshare.com/theknowmz
For example, if you’re a small business owner and you’ve learned about a local business directory where fellow entrepreneurs get their leads, you should absolutely list your business there. And that one link would probably bring you a lot more ‘SEO value’ than submitting your site to a list of generic business directories that you found at a random SEO forum.