Inspired by the Flatstrap version of Bootstrap, "Sometimes a new project doesn't need rounded corners or gradients. So we decided to get rid of them." This toolkit contains all of the Bootstrap elements without rounded corners, gradients or shadows. Perfect for wireframing.
Wireframe Tiles Vol 2
One of the newest CSS frameworks, Groundwork appears to be one that will stick around. http://groundwork.sidereel.com/home - There is no better way to design for Groundwork than with the Fireworks Toolkit for Groundwork. Enjoy!
50% off our first 5 Toolkits! this includes Bootstrap 2.3.1, Flatstrap, Ratchet, Foundation 3 and Groundwork for only $49.95! (sorry, this does not include the new extras toolkit) Even if you have purchased a toolkit or two before you will save on this awesome deal! Of course you will get any updates to these toolkits for free!