flow.gs
Neat interactive One Pager called Flow.gs where you can create a CSS grid system and then generate the code after.
This website has unfortunately been redesigned or gone offline, so I have removed the direct link to it. The screenshot below hopefully preserved enough of the design but if you are really keen to inspect further, try this Archive.org link. FYI: the site was first featured on 11 November 2013.
Features CSS3 Flat Design Full-width Layout Green Color Grid Long Scrolling Moving Elements Responsive Design Smooth Scroll Teal Color Tool Useful
Category App, Digital Product, Landing Page,
Published 11 Nov 2013