Organizations are opening up access while we are stuck at home.
Arts
New York's nightly Met Opera streams
Seattle Symphony - free broadcasts via YouTube and Facebook
Opera America list of Operas live streams from around the world
classicfm.com list of live streams
Billboard's list of live streams
NPR's list of live streams (living document)
Browse art museums around the world by Google Arts & Culture
NYTimes compilation of theater, art, dance to tune in while home - my favorite has to be Sir Patrick Stewart's poetry readings posted on twitter.
Cirque du Soleil creates Cirque Connect, highlight some fun videos to enjoy at home
The Barnes in Philadelphia has a series of short videos, each focused on a single work of art. The Barnes collections focus on impressionist, post-impressionist, and early modernist paintings.
Books
Check your local library to borrow ebooks
JSTOR is offering free access
National Emergency Library with a FAQ explaining this temporary access by archive.org
Comedy
BATS Improv in the SF Bay Area has moved their classes and events online!
Cooking
Online cooking classes from Michelin-starred chef, Massimo Bottura, on Instagram
Games
Comprehensive list in a Google Doc of free online games you can play while you're shelter-in-place, compiled by @ihartnia. In case you want to know the recommended age range for each game, someone organized @ihartinia's list in a Google Sheet so you can filter by age.
Palace Games in SF (my favorite escape room series) has a free online escape room experience for you and your friends to enjoy!
Self-Improvement
450+ Ivy League courses free online - compiled by Class Central
New York's Museum of Modern Art is offering free courses online
Compiled from the community, Marketplace.org, NPR, Billboard, NPR live list, classicfm, operawire.com, slippedisc.com, NYTimes, setapp blog, Nick Grossman's blog, Axios