Feather Icons - Simply beautiful open source icons
Iconsflow - Iconsflow helps users to design outlined, solid, webby and flat icons
Streamline icons - The world’s largest icon pack library - 100k icons and illustrations.
Greenfish Icon Editor Pro - GFIE Pro is a powerful icon, cursor, animation and icon library editor.
Icons8 - Free app for Mac & Windows already containing 39,800 icons. Allows to search and import icons…
SmoothDraw - SmoothDraw is an easy natural painting and digital free-hand drawing software that can produce high...