Add-ons for Firefox Screenshot of Mozilla Add-ons website Type of site Extensions and themes hosting Owner Mozilla Foundation Created by Andy McKay, Chris Howse, Gregory Koberger, Jeff Balogh, Jorge Villalobos (jorgev), Justin Scott (fligtar), Kumar McMillan, Matt Claypotch, Stephen Donner, Wil Clouser, et al.[4] Website addons.mozilla.org Commercial No Registration Free; only needed for developers or for special features Current status Active