Plottable.js is a library for easily creating flexible, interactive, and performant charts for the web. It is built on top of D3 and provides higher-level pieces, like plots, gridlines, and axes. As such, it's easier to quickly build charts.
Gridly is a jQuery plugin to enable dragging and dropping as well as resizing on a grids.
Mason was created to solve a problem with most grid system currently available. Gaps. When using Masonry, Isotope or any of the other grid plugins out there sometimes your grid will contain gaps or ragged edges. Mason was made to fill those gaps in.
Built on the idea of true masonry when a grid is constructed there are bound to be holes, so Mason calculates where those holes are fills them in.
Nested is a jQuery plugin to create a gap free, multi column grid layouts. Nested plugin also sports a responsive design.
Gamma Gallery is an experimental responsive image gallery that attempts to provide an adjustable responsive images approach taking its grid layout and the full slideshow view into account.