The name Atom applies to a pair of related standards. The Atom Syndication Format is an XML language used for web feeds. The Atom Publishing Protocol (AtomPub or APP) is a simple HTTP-based system of rules for creating and updating web resources.
Atom (feed) Media
This is the logo for the ATOM feed, mime-type: application/atom+xml.*It is commonly mistaken that the ATOM feed's logo is the same as RSS', which is not the case.