Timezone: https://everytimezone.com/
Business English Resources https://www.businessenglishresources.com/
How to Professionally Say… https://howtoprofessionallysay.akashrajpurohit.com
Learning About Other Cultures
Culture Atlas https://culturalatlas.sbs.com.au/
Comics to help learn about other cultures https://starkeycomics.com/
Learning/Education
Learn the differences between two items https://www.differencebetween.info/
Key differences between two items https://keydifferences.com/
Ask about differences https://www.askdifference.com/
Learn to understand math, not memorize it https://betterexplained.com/
Body
A wiki for your muscles https://musclewiki.com/
Fun
Write a letter to your future self https://www.futureme.org/
Decision-Making/Thinking
Tools for better thinking https://untools.co/
Brain Health:
Puzzles https://www.puzzle-loop.com/
Sleep Calculator https://sleepcalculator.com/
Sleep Esitmator https://www.sleep-estimator.com/
How Tos/DIY
WikiHow https://www.wikihow.com/Main-Page
Home Repairs – https://fixitclub.com/