Currently checking out activitypub.academy/ .
It's an emphemeral <a class="hashtag" rel="tag ugc" href="https://btfree.social/hashtag/Mastodon">#Mastodon</a> instance that can show you <a class="hashtag" rel="tag ugc" href="https://btfree.social/hashtag/ActivityPub">#ActivityPub</a> flows.
This is so cool! 
Anyone know how makes or manages this?
It says it's administered by @crepels@activitypub.academy , but I don't think that's active.
Maybe it's @crepels@mastodon.social ?<span class="invisible"> <a class="hashtag" rel="tag ugc" href="https://btfree.social/hashtag/Tech">#Tech</a> <a class="hashtag" rel="tag ugc" href="https://btfree.social/hashtag/Fediverse">#Fediverse</a> <a class="hashtag" rel="tag ugc" href="https://btfree.social/hashtag/FOSS">#FOSS</a>
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