Gridset is now in Beta. The Gridset App allows you to create and save custom grid sets for you web design project. A grid will be tied to a designated screen size or breakpoint. For example, you may create a grid for desktop size, tablet size, and mobile. Once the grid is added, you will have the opportunity to set the size at which that grid will be used. You can also choose to load a pre-built template set of grids into your set in order to try some new layout ideas.
Watch this video to learn more