Flaticon - A database of free vector icons.
IconArchive - Search through more than 735,000 free icons. Browse icons by category, artist, popularity, date. Organize and share your favorites.
Icons8 - Free app for Mac & Windows already containing 39,800 icons. Allows to search and import icons…
Seanau Icon Set - Seanau Icon Set is the world's #1 premium royalty-free stock icon pack, includes more than...
The Noun Project - Creating, Sharing and Celebrating the World's Visual Language
Game-Icons - Huge collection of free icons for games and apps.