https://www.airconsole.com/ (multi player, many games such as cards against humanity and guess the drawing - single screen for display, BYO device for controls)
http://playingcards.io/ for cards against humanity.
video chat:
- https://houseparty.com/ up to 8 people
- https://zoom.us/ up to 40 mins for groups, anyone can join
- Facebook Messenger
- FaceTime
- Hangouts (can't share video and screen at same time) / Duo
- Skype
https://lichess.org/ for online chess.
Netflix Party: https://chrome.google.com/webstore/detail/netflix-party/oocalimimngaihdkbihfgmpkcpnmlaoa
DJ/play/listen to music: https://plug.dj/
Mario Kart https://mariokarttour.com/en-US (app and nintento account required - both free)
https://jackboxgames.com/games/ / Steam https://store.steampowered.com/
Draw Something: https://apps.apple.com/us/app/draw-something-classic/id488628250 Works with friends: https://www.zynga.com/games/words-with-friends-2/