“runpee.com So you know the best time to have a wee during long films at the cinema”
“Radio garden. Stream radio from anywhere in the world.”
“onelook.com/reverse-dictionary
It’s a reverse dictionary. For when you can describe the thing but can’t remember what it’s called (and if you search “The inability to remember a word” you’ll find the name for the struggle, lethologica”)”
“If you fly a lot aerolopa.com. Find out seat configuration on any airplane.”
“MIT OpenCourseWare. Literally the curriculum of MIT courses available for free, online, officially.”
“www.music-map.com Music-Map is the similar music finder that helps you find similar bands and artists to the ones you love”
“www.gutenberg.org
75000 free books”
“movie-map.com
Put in a movie name and it spits out similar movies, and closer it is to the said movie the more similar.”
“RetroFlix It allows you to watch thousands of public domain movies and cartoons completely for free, without any signups or ads! Really great resource to discover some of the old classics, and kill some time while you’re at it.”
“Supercook.com
Type in what ingredients you have at home, it gives you recipes based on what you have.”
“flashmuseum.org – allows you to play thousands of old flash games and animations right on your browser again”
“Remove.bg, it’s an online tool that can automatically remove a background from an image, which can be really helpful.”
“clearcheckbook.com”
“Balance your checkbook. Keeps the register.”
“Khan Academy has free lessons and exercises for everything from basic math to college-level stuff.”
“How about “The Internet Archive“? You can watch full episodes of Monty Python, Benny Hill and the Thunderbirds all in one place? Come on!”
“The Wayback Machine for seeing content on the internet over time. So useful.”
“Justwatch.com is super useful and up-to-date for finding out where a movie or TV show is streaming, depending on country.”
“xpenseflow.com
Free expense management for any groups that pool money and spend. Can also be used for quick share, expense and settle”
“For me it’s Provue. I use it to turn long PDFs, articles, notes, and even random web pages into clean, natural-sounding audio so I can read while walking or doing chores. It feels like cheating in the best way possible.”
“I love Atlas Obscura”
"I second this. A great way to discover unusual and interesting places around the world (or in your area)."
“haveibeenpwned.com
Check if your passwords and other data leaked in any data breach.”
“Gensmo. It’s a free fashion Al where you upload a piece and it builds full outfits or shows how it’d look on you. Saved me from buying so many things I’d never wear.”
“Stilltasty.com tells you how long foods (both opened and unopened) last in the refrigerator.”
“ThisToThat.com tells you what kind of adhesive to use to stick most common materials to each other.”