Mozilla

Mozilla can mean:
 the codename for Netscape Navigator
 the mascot and name of the Mozilla Foundation
 the name of its now defunct Mozilla (web browser)

 Mozilla software 
It can also refer to the platform (“Gecko” and other things) on which these programs are built:

 Mozilla Firefox
 Mozilla Thunderbird
 SeaMonkey
 Camino
 Mozilla Sunbird
 Minimo
 Flock (web browser)
 Songbird (software)

Mozilla Foundation also makes Bugzilla.