Little or even unknown website that you like to use?

https://www.reciperadar.com/ – Enter ingredients you have lying around. Get recipes.

https://www.aqua-calc.com/ – Convert volume to weight and vice versa for many ingredients.

https://liveuamap.com/ – See the current frontlines of the war in Ukraine/Russia.

https://www.pepysdiary.com/ A slice of 17th century life every day.

https://rxjourney.com.ng

The journey of an African intern pharmacist looking to escape the matrix.

https://grep.app - To search repos for patterns. I usually use it when I'm using an obscure or badly documented library.

https://unicode.scarfboy.com/ - Unicode stuff. There are a lot of small Unicode tool sites.

https://radio.garden/ - It's an interactive map of most radio stations on the planet that have streaming, as near as I can tell. It's where I learned about the Wee Scone Variety show, on a local FM station in Midlothian, Scotland.

Lots of beautiful, beautiful games. Many are not sold anymore. But it's a great way to find classic games, either to watch on YouTube or search on Steam for a spiritual successor: https://www.homeoftheunderdogs.net/

https://shots.co - its a really nice and free mockup generator for apps and websites and looks really clean

https://jungletv.live/ – JungleTV is a video sharing website for the Banano community.

https://rjweb.org/mysql/

One of the best practical MySQL DBA field guides

https://oa.mg/ I use it for medical research