PNG ICO ICNS MORE
UI
Pixel
Fugue Icons
monitor, window
DarkSlateGray
16x16
monitor, Flow, window
WooFunction Icon set
window, App
Silver
32x32
window, App, Blank
window, App, list
Gainsboro
App, list, window
list, chart, window
Close, window, App
App, user interface, list
list, Error, window
App, list, search
Gnome icons
new, window
manager, window
Tango
window, new
WhiteSmoke
Silk
Application, window
CornflowerBlue