Mastodon Flock is a web application that looks for Twitter users on ActivityPub-enabled platforms (the “Fediverse”), such as Mastodon. It allows you to easily find and follow your friends that have accounts elsewhere.
Mastodon Flock
Launch date
Mastodon Flock Find your Twitter friends on Mastodon and the Fediverse
Launched on December 8th, 2022