Micro.blog: @chill@social.chadeb.com
Mastodon: @toot_chill@mastodon.online
Bookwyrm @chill@bookwyrm.social
Pixelfed @chill@gram.social
All of the above accounts are in the Fediverse. They make use of a technology where users of one platform can interact with users on another. For example, your Masotodon account could follow my Micro,blog account.