Big list of #activitypub projects
More big lists..
#activitypub application watchlist: https://git.feneas.org/feneas/fediverse/-/wikis/Watchlist-for-ActivityPub-apps
#activitypub developer resources watchlist: https://git.feneas.org/feneas/fediverse/-/wikis/Watchlist-for-ActivityPub-developer-resources
I co-maintain these. If anyone knows about new AP projects, just lemme know and I'll add them.
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