50 wild free animals SVG and PNG icon set
Freebie: Dashel Icon Set (45 Icons, SVG, PSD, PNG) - Smashing Magazine
This is a free icon set of 25 detailed tool icons. Available on AI , PSD and PNG format. Feel free to download.
Logos and branding
Ocean Packes - Free icon sets by Guillaume Kurkdjian, via Behance
100 free Sports icons SVG and PNG set (963 KB) | creativenerds.co.uk
154 free developer icon set in PNG and PSD format
Web + UI
20 Free and Versatile #Icon Packs to Add to your Toolkit! #iconpack #freedownload
Ultimate Free Icon Set (1000 Icons)
50 free construction tools icons | SVG Files (748 KB) | creativenerds.co.uk
This guy, Chris Spooner, is ALWAYS posting free graphics. I am just getting into using photoshop for ads and what not... he is awesome!
Illustration & Creative ideas