Are icons from http://iconfinder.com/ free to use?
From the site's own disclaimer page at http://www.iconfinder.com/about/disclaimer :
Always check the license before using any icons and contact the author before using any icons commercially.
By accepting these Terms of Use, you acknowledge and agree that all content presented to you on this site is protected by copyrights, trademarks, service marks, patents or other proprietary rights and laws, and is the sole property of IconFinder and/or its Affiliates. You are only permitted to use the content as expressly authorized by us or the specific content provider. Except for a single copy made for personal use only, you may not copy, reproduce, modify, republish, upload, post, transmit, or distribute any documents or information from this site in any form or by any means without prior written permission from us or the specific content provider, and you are solely responsible for obtaining permission before reusing any copyrighted material that is available on this site. Any unauthorized use of the materials appearing on this site may violate copyright, trademark and other applicable laws and could result in criminal or civil penalties.
That will depend on the icon, when you click on the icon, you will see in the upper-left corner the license of the icon:
- Free for personal use
- Creative Commons (CC)
- ...