iconfu beta

Name That Colour

Simple online utility that converts between colour names and RGB values

vector alphabet & numeric buttons (non-cc)

"This set is a variety pack of free vector glass buttons and bars for your webpage or blog. Since they are in vector format, they can be easily manipulated and scaled to fit your layout without having to worry about pixellation." - these are vector buttons so they you'll need a vector package to adapt them. But they're very pretty, and great if you need alphabet icons, if you were simulating a keyboard for example. The license appears to be CC-ish but not explicitly so.

"vaga" icons (non-cc)

Vaga is a non-creative-commons licensed icon set from tenbytwenty that's otherwise free for use. 60 colourful, pretty png icons including user icons, shopping carts, arrows, multimedia buttons, documents, phones among others.

More Silk Icons

Extra Silk Icons by Damien Guard who thought (like the rest of us) that the original Silk Icon set was so good it should get bigger. Available under Creative Commons 2.5

really cute school icons (non-cc)

This is a collection of cutesy school icons - stationery, children, teachers, everything to do with school life, from the School Icons Club