Cool Design Tools to make you a better and faster designer.
Feel free to add more in the comments.

CSS Type Set - Create custom CSS type styles with this tool.
CSS Superdouche - Strip unneeded content and redundant calls from your CSS, reducing its size and complexity.
Code Beautifier - Format and optimize your CSS code.
CSSFly - In-browser [...]

FastIcon.com sells Quality Royalty-free Stock Icons, but also offer many icon sets for free download.
The FastIcon’s Free Icons are available as standard Mac and Windows icons and PNG files for Linux, web or blogs.
You can use them on your desktop or use them on your blog or website.

Try Instantizer. This free web service allows you to create Polaroid effect out of your image on the fly.
Just upload your image, add a brief description, add an angle if you need and hit Upload Picture. Voila! You got yourself a polaroid made online.
Pretty damn nifty and it’s free..can’t think of a useful purpose [...]