100+ Beautifully Designed Vector User Interface Icons
The icons are in PSD format, along with it’s CSH file (custom shapes) and the PNG files. Available in following sizes, 16×16, 32×32, and 48×48.
210 Vector Icons
350 pixel perfect glyphs
Retina Display Icon Set
This retina icon set contain each icon in 3 sizes: 64 x 64, 48 x 48, and 24 x 24.
168 Free icons – PSD
529 Icon Windows 8 Metro Style
600+ Free Icons Gemicon
Gemicon is handcrafted icon set that comes in 3 different sizes (16px, 32px, 64px). Each pixel-perfect icon is available as a separate Photoshop layer. The set is available in PNG or PSD format.
990+ Free Vector Icons For Games
250+ Font Icons – Entypo Pictogram
120 Pixel Perfect Application Icon Set
Tiny Icons Set (10 pixels) – Bijou
44 Hiquality Free PSD Icons
300 Beautiful Icons For Web
A free, creative commons licensed custom designed icon set with 60 vector shapes, perfect for the web.