Can someone tell me the websites like Medium.com?

Substack is a good option to explore.

Patreon also a Good option.

Vocal also a good alternative of Mediuam,
Try it

blogger
Tumblr
Linkedin
Quora

Thank You everyone for your kind help.

Try something like Feedly.com, RSS Feeder which lists your requested sites, and RSS Feeds in a number of categories

Hubpages, Quora space, Tumblr, LinkedIn articles, etc.

blogger
tumber
Medium
linkedin

Hubpages
Blogspot
Wix
Weebly
Tumblr

Blogspot
Wix
Weebly
Tumblr

blogger
tumber
diggo
linkedin

Reddit
Tumblr
Scoop.it

toparticlesubmissionsites
techsite.io
abilogic.com

Yes, tumblr is one very useful for content same as medium & also you can try quora.
Both are of high traffic.

Create a space on quora.com, also buzzfeed

Wix
WordPress
Blogger

hubpages is a very good option but your content should be really high quality.

Sooperarticles
Hostreview

I need new answers ;(

Blogvin
tumblr
Pearltree