Apps with 'Icon search engine' feature

Download from the largest database of free icons, with options like motion graphics, interface and animated icons in various formats such as PNG and SVG.

iconmonstr - free, monstrously big and continuously growing source of simple icons run by one creator.

The VeryIcom.com is an icon search engine, Graphic design,it contents high quaility web icons, Each Icon has PNG, ICO, you can free download for Windows, Macintosh and Linux.