Circular is a themed collection of 100+ 1616 icons designed by me, Ben Gillbanks. The icons are available as a zip download of alpha transparent png?s (link over there on the right), and cost a grand total of nothing!
The Circular icon set is licensed under the Creative Commons Attribution 2.5 License. This means you can use it for anything you like (commercial, charity, free etc) and make any changes you like. All I ask is that you include a link to this page somewhere in your credits/ about page.