GEdit
Gimp
These include file menu icons which are seen across many applications as well as ok/cancel buttons that are also seen across many applications.
Inkscape
Including an edit menu with icons that are seen across many applications.
System Menu
Additional Screenshots
Media:echocrit-f10-firefox-toolbar.png Media:echocrit-f10-gimp-tools-panel.png Media:echocrit-f10-gnumeric-toolbar.png Media:echocrit-f10-inkscape-toolbar.png Media:echocrit-f10-office-menu.png Media:echocrit-f10-panel-icon-clash.png Media:echocrit-f10-thunderbird-toolbar.png Media:echocrit-f10-tray-icon-clash.png