The fact that today is daylight savings totally through me off, lol. Ok, so here’s that list:
Art and Images
The Metropolitan Museum of Art has a search function that allows you to see a bunch of what they have on display and some of the images, the ones under Open Access, are available for download. Most things on the site are under Public Domain.
Freepik is a popular one. They have loads of images that are under a special license, allowing for free-use with attribution.
Unsplash is in a similar vein to Freepik. I feel like Unsplash may have more unique images, but it’s hard to tell.
Information
Windy has a super cool weather forecasting service that allows you to see a variety of current and upcoming forecasts.
Project Gutenberg as a bunch of older books with free PDFs for download, or you can just read online.
Wolfram Alpha allows you to perform a variety of specific searches on many different topics.
Games and Fun
Nation States is a state simulator game where you create your own state and answer questions that determine how your state is run.
Azgaar’s Map Simulator allows you to create maps with different geographical layouts and even distinguish between different cultures you create.
Neal.fun has some interactive games and visualizations all created by the same guy who made Infinite Craft and The Password Game.
