Funkwhale, an Open Source GrooveShark Alternative, Begins ActivityPub Implementation April 3, 2018November 10, 2019
Pleroma, a lightweight social server written in Elixir, gains ActivityPub support March 12, 2018November 10, 2019
PeerTube — Decentralized Video, Powered by ActivityPub and WebTorrent November 28, 2017November 10, 2019