CSS Tab Designer -- Free to use

CSS Tab Designer is a freeware that let you visually make css-based list / tabs.
Various styles and colors are included (currently, there are 60+ different styles and colors included).

You may see that JForum uses the tabs10 style for Poll and Attachments Options on adding a new post.

Download from:
http://www.highdots.com/products/css-tab-designer/