Clearnet imageboards 

Lynxchan based: 
https://bunkerchan.xyz/ 
https://spacechan.xyz/ 
https://endchan.net/ 
https://kohlchan.net/int/ 
https://waifuist.pro/ 
https://bbw-chan.nl/ 
https://balkanchan.ga/ 
https://indiachan.com/ 
https://onee.ch/ 
https://freech.net/ 
https://cutie.garden/ 
https://mewch.xyz/ 
https://mle.party/ 
https://finalchan.net/ 
https://julay.world/ 
https://neinchan.com/ 
https://prolikewoah.com/boards.js 
https://floridachan.com/ 
https://anon.cafe/ 
https://16chan.xyz/ 
https://dprkchan.xyz/ 
https://8channel.net/ 
https://christchannel.xyz/ 
https://late.city/ 
https://formerlychucks.com/ 
http://furchan.net/ 
http://possumstu.org:8080/ 
https://chiru.no/home.js 

Vichan (+forks like NPFchan) based: 
https://8kun.top/ 
https://wizchan.org/ 
https://www.bronnen.net/ 
https://mintboard.org/vichan/bone/ 
https://sportschan.org/ 
https://crystal.cafe/ 
https://erischan.org/ 
https://mlpol.net/ 
https://smuglo.li/ 
https://kissu.moe 
http://what-ch.mooo.com/what/ 
http://www.scanchan.net/ 
https://tbpchan.net/ 
https://lolcow.farm/ 
https://xchan.wtf/ 
https://perfectchan.org/ 
https://boards.systemspace.link/ 
https://lainchan.org/ 
https://arisuchan.jp/ 
https://kakashi-nenpo.com/ 
https://sushigirl.us/ 
https://shitchan.com/ 
https://pawsru.org/ 
https://www.comfy.chat/ 
https://sandwichan.fun/ 
https://grimchan.xyz/ 
http://zonadelta.net/deltachan/ 
https://board.thunderspygaming.net/ 
https://winterchan.org/ 
https://depreschan.ovh/ 
https://www.gurochan.cx/ 
http://38chan.net/ 
https://lewd.pics/chan/b/ 
https://pregchan.com/ 
https://franchan.biz/ 
http://homph.com/board/homph/ 
http://yangchan.org/ 
http://usedfifthwheel.com/ 
https://uboachan.net/ 
https://polder.ga/ 
https://www.blokal.eu/ 
https://ptchan.org/ 
https://55chan.org/ 
https://9inches.org/b/ 
https://www.sebachan.fi/ 
https://1500chan.org/ 
https://liaison.nagatoyuki.org/ 
http://underfoule.xyz 
http://utochan.ru/ 

Other\unknown imageboard software based: 
https://fatpeople.lol/ 
https://shamik.ooo/ 
https://chen2.org/ 
https://tinychan.org/ 
https://420chan.org/ 
https://7chan.org/ 
https://www.4kev.org/ 
https://dreamch.net/ 
https://neet.moe/ 
https://poorchan.ga 
https://noirchan.com/ 
http://lupchan.org/ 
https://ota-ch.com/ 
http://afternoon.dynu.com/letterbox.html 
https://b3ta.com/board/ 
https://hamstakilla.com/ https://bernd.group/ 
https://ernstchan.xyz/ 
http://7clams.org/ 
https://uchan.plebco.de 
https://chan.tymoon.eu/ 
https://3dchan.net/ 
https://2hu-ch.org/ 
https://enrive.org 
http://operatorchan.org/ 
https://kotchan.org 
https://rodentchan.danwin1210.me/ 
https://boards.plus4chan.org/ 
https://22chan.org/ 
https://3chan.co/ 
https://314chan.org/ 
https://atob.xyz/ 
http://lapchan.moe/ 
https://fufufu.moe/a/ 
https://desuchan.net/ 
http://balls.jimboulter.com/ 
https://secretareaofvipquality.org/saovq/ 
https://doushio.com/moe/ 
https://dameib.net/ 
https://heyuri.cf/ 
https://www.ponychan.net/ 
https://aurorachan.net/ 
https://tf2chan.net/ 
http://swfchan.org/ 
http://aachan.sageru.org/ 
https://eternitychan.org/ 
https://2ch.hk/ 
https://2chan.jp/ 
https://1chan.net/ 
http://fightanvidya.com/img/ 
http://boards.rotbrc.com/ 
http://chan.divbot.net/ 
https://vgchan.org/all/ 
https://ylilauta.org/ 
https://magyarchan.net/ 
https://www.hispachan.org/ 
https://neboard.me/ 
https://wilchan.org/ 
https://kiramoji.ga/ 
https://chan.org.il 
https://4.0-chan.ru 
https://tumba.ch