Blue Firefox Icon
Kaito Icon Set
Commercial usage: Not allowed
Blue Firefox Coloured Icon
Firefox Icon
Round App Icons
Black Metal Programs Icons
Blue Folder Icon
Purple Lines Icons
Blue Folder v2 Icon
Lipse Greyscale Icons
Lone Shadow Icons
Commercial usage: Allowed
Ray-Tech Icon Pack
Crispy Icon Pack
Flat Icons Add-on 1
MMII FLAT Icons 4
Kare Web Browser Icons
Light Icons
Blue Cloud Icon
Free Blue Cloud Icons
Alumin Folder Icons
Hex Icons Pack
Firefox v2 Icon
Flat Icons
Boxed Metal Icons
Cold Fusion HD Icons
3D SoftwareFX Icons
Circle Icons
Simply Pixel Icons
Playcons Icons
Buttonized Icons
3D Social Box Icons
Blue Beetle Icon
The Dresden Files Icons