Gamecenter is a pack including 152 free icons based on a 16px grid. Free PSD created and released by Alexey Anatolievich.
A set including more than 100 touch gesture icons based on vector shapes and presented in multiple formats: AI, EPS, CSH, PSD, PNG and SVG.
100+ free gestures icons
Here is a small set including 25 vector shaped Halloween icons. Free PSD created and released by Tamara.
25 free Halloween icons
A free set of 30 pixel-perfect colorful icons from the Ballicons 2 Vol.2 icon set by PixelBuddha and exclusively released for Codrops.
Ballicons 2 vol. 2 – 30 free icons
Google Design now includes 750 glyphs as part of the Material Design system icons pack. The system icons contain icons commonly used.
Google Material Design icons – SVG PNG CSS
A huge pack of 12000 icons with a simple outline style. They all come with their PSD files so you can modify at will. Released by iconshock.
12k free line icons
The Geekies icon set includes 20 free sports icons created with vector shapes and provided as AI, PSD, Sketch, SVG and PNG.
Geekies icon set
The Sporties icon set includes 20 free sports icons created with vector shapes and provided as AI, PSD, Sketch, SVG and PNG.
Sporties icon set
A set of 36 chic female icons created with Photoshop vector shapes. Free PSD released by Sunako.
36 chic female icons PSD
Here is a nice set including 112 fully scalable vector icons. Free PSD designed and released by Taras Shypka.
112 free PSD icons
A set including 40 tiny icons created with vector shapes and released in 3 formats (PSD, AI and SVG). freebie released byArmantas Zvirgzdas.