PNG ICO ICNS MORE
UI
Pixel
Fugue Icons
Blue, Folders, stack
LightSteelBlue
16x16
Folders, Blue
Mixed
Smooth
On-stage
Folders
RoyalBlue
128x128
Cologne
Folders, Category
LightSkyBlue
32x32
Music & multimedia
Capital Icon Suite
WhiteSmoke
Business & finance
3D
Pleasant
web, Folders
Black
Simple
DarkSlateGray
Folders, stack
DarkGoldenrod
Files & folders
Folders, Aurora, Close
256x256
Aurora
Aurora, Movies, Folders
Arrow, Folders, Links
Computer & hardware
Human o2
user interface, Folders, window
PNG MORE
BWPX
Gray
18x18
Crystal Project
Folders, documents, Drawer
DarkGray
Photography & graphic design
Dark Glass
Folders, window
Futurosoft
strap, Folder, Folders
Glaze
64x64
Folders, Arrow
Minus, Folders
Folders, exclamation
pencil, Folders
plus, Folders