Working with HTML and CSS can be quite time-consuming sometimes. Of course, there are CSS frameworks to help you save time with your design base, but there are also all kind of tools that help you save time with specific functions:

* Grid Designer
* Kotatsu
* CSS Redundancy Checker
* CSS Menu Maker
* CSS Color Editor
* CSS Super Scrub
* PX to EM
* Deploy
* CSS Text Wrapper
* PSDtoCSS online

For the full descriptions and links to each of these tools, check out the article at CSSOrgy.