just a semi-regular reminder that I maintain a list of AP implementations and it sees infrequent update from time to time:

https://alternativeto.net/list/5696/activitypub/

Better lists are available elsewhere such as the Awesome-Fediverse list or the Feneas/Fediverse.Party watchlist for activitypub apps:

- https://github.com/emilebosch/awesome-fediverse

- https://git.feneas.org/feneas/fediverse/-/wikis/watchlist-for-activitypub-apps#social-networks-microblog-apps