If you are searching for a free icon, then Cicons: 40 Outline is is perfect one to get started. Treat yourself to this collection of Free Cicons: 40 Outline that includes just about every icon you require on your new site.
Download flat icon free commercial use file and use it as you wish to use it. This freebie has been provided by Dribbble.com.
If you want more icon, you can check the Free Icons.