Off-Page SEO Tools

Backlinks Creation Tools

[Scrapebox]
[GSA SER]  
https://rankerx.com/homepage/
http://autofillmagic.com/
https://kontentmachine.com/
http://www.senuke.com/pro (Not as good as the above but can still be used).

Backlinks checkers

https://ahrefs.com/backlink-checker
https://smallseotools.com/backlink-checker
https://moz.com/link-explorer 
https://neilpatel.com/backlinks/
https://www.semrush.com/features/backlinks/
https://cognitiveseo.com/site-explorer/
https://majestic.com/about/backlinkchecker 
https://www.seo-spyglass.com/

Backlinks Indexers

http://speed-links.net/
http://gindex.me/en/
https://indexinject.com/user/login
http://bulkaddurl.com/
http://elitelinkindexer.com/

Competitor Analysis

Spying on Competitors Keywords

seoreviewtools.com/keyword-density-checker/

Backlinks

https://www.semrush.com/analytics/backlinks/

Recommended site list below for link building

You can use the site list below and feed it into any backlinks creation tool or you can just pick your preferred and insert the backlink manually after analyzing the domain EDU Sites

https://sites.gsu.edu/kherring6/2016/04/30/built-environment-analysis-atlantic-station 

blogs.princeton.edu/imabandit/guest-posts/ 

lasocialscience.ucla.edu/2020/04/15/pandemic-inequalities-assessing-the-fallout-in-the-restaurant-industry/ 

https://u.osu.edu/zagorsky.1/2018/08/30/my-final-ohio-state-post/comment-page-58

https://evoke.ics.uci.edu/health-data-exploration-report-published/ 

https://lucian.uchicago.edu/blogs/atomicage/2012/02/02/why-a-likely-natural-event-could-cause-nuclear-reactors-to-melt-down-and-our-grid-to-crash-via-alternet

https://sites.tufts.edu/crispr/crispr-background/adaptive-immune-system 

https://blogs.brown.edu/emergency-medicine-residency/ottawa-ankle-rules 

https://blogs.umass.edu/radicalumass/histories-of-radical-actions-at-umass/justice-for-jason-movement

https://cunymathblog.commons.gc.cuny.edu/2018/11/29/cuny-students-paid-tutors-needed-for-spring-semester-apply-by-december-16 

https://clamato.lbl.gov/2017/10/17/new-data-papers-cosmic-voids-and-clamato-dr1 

https://blogs.uw.edu/dppstudy/newsletters 

https://sites.gsu.edu/kherring6/2016/03/22/color-walking-reading-summary

https://wordpress.morningside.edu/kdk003/2015/10/08/the-most-interesting-man-in-the-world-dr-patrick-blaine/

Forums and Profile Sites

https://influence.co
https://www.acuityscheduling.com
https://addons.wpforo.com/community/
https://forums.softraid.com/
https://dev.azure.com/
https://www.launchora.com/story/
https://my.desktopnexus.com
https://login.mailchimp.com/signup/ 
[ use the audiences > signup forms > form builder]
https://froont.com/-user/register
https://www.vingle.net/users/sign_up/email
https://www.sitesimilar.net/
https://www.topsitessearch.com/
https://medium.com/
https://couponsale.in/search/
https://www.reddit.com/
https://www.quora.com/
https://www.linkedin.com/ 
https://www.pinterest.com/
https://motasem-hamdan-notes.blogspot.com/
https://disqus.com/by
https://livejournal.com/
https://giphy.com/
https://disqus.com/
https://slashdot.org
https://www.scoop.it/ 
[science and technology oriented]
https://www.tumblr.com/ 

Social Bookmarking

https://www.diigo.com/ [social bookmark]
https://www.bibsonomy.org/ [social bookmark]
https://www.folkd.com/ [social bookmark]
[http://web.wox.cc/] [social bookmark + page builder] 

Page Builder

[https://www.sitey.com/]
[https://manifo.com/]  
[https://www.yola.com/] 
[https://www.own-free-website.com/]
[http://www.somebody.io/]
[https://www.site123.com/] 
[http://ampedpages.com/]   
[https://www.webs.com/]   
[https://www.bravenet.com/] 
[https://www.strikingly.com/]   
[http://www.simplesite.com/]  
[https://www.squarespace.com] 
[https://www.emyspot.com/]  
[http://xtgem.com/]  
[http://www.greatwebsitebuilder.com/]
[https://webflow.com/] 
[http://tilda.cc/]
[http://withtank.com/] 
[http://www.wikidot.com/] 
[http://www.1msite.com/] 
[https://www.bookmark.com/] 
[http://blogdigy.com/] 
[https://www.weebly.com] 

Photo Sites

[https://www.shutterfly.com/] 
[https://www.nabble.com/] 

Blog Sites

[http://tblogz.com/] 
[https://www.blogger.com] 

Others

edublogs.org 
hubpages.com
travelblog.org
ucoz.com
webspawner.com
wetpaint.com
xanga.com
blinkweb.com
blogetery.com
devhub.com
flixya.com
getjealous.com
insanejournal.com
livelogcity.com
ohlog.com
shutterfly.com
snappages.com
spruz.com
thoughts.com
zoomshare.com
2itb.com
blogge.rs
bloghi.com
blogreaction.com
blurty.com
inube.com
lifeyo.com
myblogsite.com
mywapblog.com
mytripjournal.com
yousaytoo.com
spi-blog.com
bcz.com
blogster.com
iblog.at
weblogplaza.com
spyuser.com
sweetcircles.com
blogpico.com
evood.com
uwcblog.com,
page.tl 
doodlekit.com  
sitew.com  
spruz.com 
dinstudio.com 
blogetery.com 
qapacity.com
quechup.com
lifeyo.com 
sweetcircles.com  
ibizlog.com 
freeweb.me

Non-English

https://www.haber06.net/
https://www.haberem.com/
https://www.neoldu.com
https://bilgiportali.net
https://dieweltnews.com
https://eniyi-haber.com
https://www.aksam.com.tr/
https://istanbeautiful.com

Journals

thesun.co.uk
scienceworldreport.com/articles
sciencetimes.com/articles
healthstatus.com/health_blog
news-review.co.uk/blog/
spiegel-news.com
jpost.com/
londondailypost.com
filmdaily.co
forbesglobalnews.com
britonian.co.uk
oklahoma.statenews.net
manchestereveningnews.co.uk
gazettelive.co.uk
aboutmanchester.co.uk
sussexlive.co.uk
dailyrecord.co.uk
australiantimes.co.uk
bmmagazine.co.uk