websites that have literally saved me:

https://alphabetizer.flap.tv - alphabetize a list of items

https://alternativeto.net - find alternatives to certain programs or websites

https://archive.org/details/inlibrary - 1 million free e-books to borrow

https://wiki.archlinux.org - THE guide on everything Linux

https://b-ok.org - millions of free ebooks

https://www.bookfinder.com/textbooks/ - compare the prices of textbooks from different sellers

http://booksc.xyz/ - tens of millions of free scientific articles

https://www.buzzfeed.com/bringme - plenty of useful articles for traveling around the world

https://www.buzzfeed.com/giftguide - an incredibly useful gift guide for just about anyone

http://ccmixter.org - free music to use in your projects

https://www.ck12.org/student/ - free interactive textbooks about various school subjects

https://ctoon.party - watch cartoons for free, without ads

https://fileinfo.com - find out what programs can open certain files

https://www.google.com/travel - day plans, things to do, and flights for cities around the world

http://www.grocerylists.org/ultimatest/ - grocery list inspiration for when you go grocery shopping

https://www.imdb.com/tv/ - watch movies and TV shows for free

https://itsfoss.com - guides and recommendations for everything Linux and open source

https://librivox.org - free audiobooks in the public domain

https://www.locast.org - watch free local TV live (if you live in an area that supports it)

https://multiplottr.com - plot many locations at once using Google Maps

https://noaaweatherradio.org - free local weather radio

https://nocable.org - find out what TV stations broadcast for free at your address

https://pluto.tv/live-tv/ - watch free live TV and radio

https://www.qvc.com/ - great sales, values, and bundles for various items

https://radio.garden - listen to live radio from around the world

https://radio-locator.com - search for radio stations in the US, Canada, and around the world

http://radiooooo.com - listen to songs from various decades and countries

https://puffer.stanford.edu - watch free San Francisco local TV

https://www.smartmove.us - find which major cable/internet provider serves your address

https://stirr.com - watch free live TV, TV shows, and local news

https://www.supercook.com/#/recipes - find recipes with ingredients you already have

https://tubitv.com - watch movies and TV shows for free (this site in particular has a great anime library)

https://twist.moe - watch anime for free, without ads

https://www.tweetgen.com/create/tweet.html - make a fake Tweet using Twitter's current look

https://grocery.walmart.com - buy groceries online

https://www.webmd.com/pill-identification/default.htm - identify prescription drugs

https://en.wikivoyage.org/wiki/Main_Page - a travel guide, includes useful info such as basic phrases in other languages, resturants to eat at, things to see and do, and ways to get around various places

https://www.wolframalpha.com - calculate just about anything

https://www.wolframalpha.com/problem-generator/ - practice math using unlimited practice questions; this is up to date with US Common Core standards

https://www.xfinity.com/stream/ - (if you have Xfinity cable) watch live TV on your PC or phone/tablet instead of having to watch on your TV

https://www.zillow.com - find houses for sale or apartments for rent all over the US