(For me, I feel like most of the web used to be like this, but these sites are rare now. Lichess would be one example.)
Boardgamegeek is another one. The UI is terrible but the community seems awesome.
Steam. Valve is a great curator and caretaker, especially compared to the Epic or Microsoft stores.
Alltrails is very helpful too.
Happycow every time I travel, though I don't agree with some of their policies. It's not hostile, just a philosophical stance I don't 100% agree with.