Instantbird instance of instant messaging client
Instantbird is a discontinued cross-platform instant messaging client based on Mozilla's XULRunner and the open-source library libpurple used in Pidgin.  Instantbird is free software available under the GNU General Public License. Over 250 add-ons allow user customization of, and addition of, features.  On October 18, 2017, Florian Quèze announced that "...  we are stopping development of Instantbird as a standalone product."
type of example of manifestation of representation of