Open Source Icons Library

Here is the open source icon library which you can use for your web development projects, graphic designs, presentations, interface development. They are free to use and you can also contribute your icons to the library

http://openiconlibrary.sourceforge.net/

http://openiconlibrary.sourceforge.net/developers.html

http://openiconlibrary.sourceforge.net/LICENSES.html

http://openiconlibrary.sourceforge.net/sources.html