jQuery Shuffle Plugin
bin-packing layout library
nicescroll plugin for jquery - scrollbars like iphone/ipad
A lightweight, fast, feature-rich, powerful and highly configurable delayed content, image and background lazy loading plugin for jQuery & Zepto.
A lightweight and modular front-end framework for developing fast and powerful web interfaces.
Exit popup easely. Detects if the mouse of a user leaves the viewport borders of your website
A modern, lightweight browser library using ES5 natives
Pretty, customisable, cross browser replacement scrollbars
NodeList implementation/library - Use the Native DOM APIs as easily as jQuery
A positioning engine to make overlays, tooltips and dropdowns better #hubspot-open-source
An absurdly fast CSS selector engine.
Injects CSS into the document (it's a perfectly legal procedure)