Never heard of freemediaheckyeah, I love it. I will have to add ours to the list. One thing that makes us different is we have a LOT more data in one app. If you explore all the layers, you can see tropical cyclone/hurricane data, lightning strikes, hail, renewable energy, and wildfire data. You have to change the focus (top left corner) to see the other collections of layers.

This is admittedly quite niche (as I work on a balloon experiment) but I really appreciate how the nullschool map shows the 10 mbar level (5-7 would be even better if course)

And https://app.precip.ai

https://zoom.earth/ another great one.