Fediverse

Etymology
. The earliest known mention of fediverse on Twitter was in 2012. It has been in use since. The earliest known use of fediverse in W3C was in 2013.

Proper noun

 * 1)  The distributed social network of federated services using  communication protocols, especially  and historically.

Usage notes

 * Fediverse, Federation and Free Network have historically been used interchangeably. However, in recent usage, Fediverse refers more specifically to the existing network of  servers, including those of Mastodon, Pleroma, Misskey, etc. The other terms are more general and may encompass various protocols.
 * Convention on capitalisation is unknown; both and  are commonly used.