If you are looking for for a wide variety of simple icons for your next (web) project – iconmonstr is surely worth considering!
At iconmonstr there are a couple of thousand free and simple icons that are released under the following terms:
“All ownership and copyright of the icons remain the property of iconmonstr.
All icons from iconmonstr are provided as-is without any express or implied warranty.
All trademarks of social icons are copyright of their respective trademark owners.”
That means you are allowed to…
“Use in both personal and commercial projects with no attribution required.
Use in a website or presentation template or application as part of your design with no attribution required.
Modify in shape, color, size or otherwise manipulate for your needs.
Up to 50 icons embed in a font or regenerate as web font via 3rd party tools.”