For bugs in Firefox Desktop, the Mozilla Foundation's web browser. For Firefox user interface issues in menus, developer tools, bookmarks, location bar, and preferences. Many Firefox bugs will either be filed here or in the Core product. (more info)
IEAK is the IE Administration Kit and lets you change the title bar, change the
throbber, and add useless buttons, among other things for the purpose of making
it easy for an ISP to rebrand or change Firefox.