Flowtime.js
Flowtime.js HTML5/CSS3/JS Presentation Framework
Datalist Polyfill
Minimal and dependency-free vanilla JavaScript polyfill for the awesome datalist-functionality
jQuery jKit
A very easy to use, cross platform, jQuery based UI toolkit, that's still small in size, has the features you need, and doesn't get in your way of doing things!
Drooltip.js
🔥 💦 Minimalistic, powerful and extensible Vanilla JS tooltip plugin
Izi Modal
Elegant, responsive, flexible and lightweight modal plugin with jQuery.
Opentip
An open source javascript tooltip based on the protoype framework.
Itemslide.github.io
A simple and beautiful JavaScript touch carousel
Wijmo Open
Open Source jQuery UI widgets
Vex
A modern dialog library which is highly configurable and easy to style. #hubspot-open-source
Rome
Customizable date (and time) picker. Opt-in UI, no jQuery!
Golden Layout
The ultimate Javascript layout manager
Wholly
jQuery plugin used to select the entire table row and column in response to mouseenter and mouseleave events. Wholly supports table layouts that utilize colspan and rowspan.
Tiles.js
A simple JavaScript library for creating tile-based edge-to-edge layouts. Built on jQuery.
Select2
Select2 is a jQuery based replacement for select boxes. It supports searching, remote data sets, and infinite scrolling of results.
Hide Seek
A simple, mobile-friendly, yet customizable quick/live search jQuery plugin.
J Query Context Menu
jQuery contextMenu plugin & polyfill
Readmore.js
A lightweight jQuery plugin for collapsing and expanding long blocks of text with "Read more" and "Close" links.