I'm not sure, I think it's better to keep it private and dispense it through closed communities. These things don't work unless there is a lot of personal interest between each website creator, so just dumping them into a big list isn't great. I think the best modern approaches I've seen have forums/Discord servers organised around a topic, such as making demos or sizecoding, and then people sharing their sites and projects within those spaces.

Discord is a walled garden and is not searchable, so knowledge posted there is lost very quickly and is super hard to discover. Static HTML has its limits, but has much better longevity.