Toastr
Simple javascript toast notifications
Highlight.js
Javascript syntax highlighter
FullCalendar
Full-sized drag & drop event calendar (jQuery plugin)
Rete
JavaScript framework for visual programming and creating node editor
Medium Editor
Medium.com WYSIWYG editor clone.
Toolbar
A tooltip style toolbar jQuery plugin
Gridster.js
gridster.js is a jQuery plugin that makes building intuitive draggable layouts from elements spanning multiple columns
Flipload
Flipping elements and show a loading indicator easily.
Pico Modal
A small, self-contained JavaScript modal library
Formatter.js
Format html inputs to match a specified pattern
Materialize
Materialize, a CSS Framework based on Material Design
Hint.css
A tooltip library in CSS for your lovely websites.
ZenPen
A minimal web based text editor for the modern man.
Nprogress
For slim progress bars like on YouTube, Medium, etc
Gmaps
the easiest way to use Google Maps
Spectrum
The No Hassle JavaScript Colorpicker
Datepickk
Simple, beautiful and powerful datepicker!