President banned from Twitter, Facebook, Instagram, Snapchat, and Twitch.
https://archive.is/dBxTW
https://archive.is/skCvo
https://archive.is/ZQgFd
Trump Campaign banned from sending emails through their current provider, Campaign Monitor.
https://archive.is/N2QxZ
President was banned and his stores removed from Shopify. https://archive.is/T3gV8
Facebook removed #WalkAway with over half a million members and hundreds of thousands of testimonial videos and stories. They also banned the group owner and his entire team.
https://archive.is/ZWeqo
Facebook removed Joe Biden is Not My President group with 1.7 million members.
https://archive.is/xJAKP
Google Play removes Parler & Gab.
https://archive.is/v9E4R
https://archive.is/CsvxY
Apple Store removes Gab. Apple threatens to remove Parler.
https://archive.is/g4YKY
Sidney Powell banned from Twitter.
https://archive.is/FhLvH
Michael Flynn banned from Twitter.
https://archive.is/FhLvH
Reddit bans r / DonaldTrump.
https://archive.is/7rCOq
Reddit bans mod from this sub.
https://archive.is/7rCOq
TD was banned from Discord.
https://archive.is/ZQgFd
YouTube bans Steve Bannon's War Room.
https://archive.is/HWMcH
Reddit banned The_Donald and several other subs. (This is older but relevant since we're on .WIN.)
https://archive.is/iw67J
YouTube is banning accounts that discuss voter fraud.
https://archive.is/bHdID
This list doesn't include all the "little people" who have censored, suspended, and banned over the last day. There are many. I'm sure there are also some big fish left off this list as well.

EDIT 1: President has been banned from Pinterest and Spotify.
https://archive.is/N6PZk

EDIT 2: Apple has removed Parler from its app store. https://archive.is/25L4P

EDIT 3: Amazon Web Services (AWS) has removed Parler's hosting, effective tomorrow.
https://archive.is/LJabg

EDIT 4: Ben Garrison, political cartoonist, has been suspended from Facebook and Twitter.
https://archive.is/yigwH

EDIT 5: Tom Fitton, CEO of Judicial Watch and Member of D.C. Commission on Judicial Disabilities and Tenure, has been suspended from Twitter.
https://archive.is/wip/uEyww