This is a heavily interactive web application, and JavaScript is required. Simple HTML interfaces are possible, but that is not what this is.
Learn more about Bluesky at bsky.social and atproto.com.
Advent of Code
redsolver.dev
Feed with all posts mentioning "Advent of Code" (incl. without spaces) ever. This is a demo of the upcoming SkyFeed Query Engine v1 which will make it possible to run RegEx (and most other) filters on all posts ever made and get unlimited history (even for new feeds).