Design Blocks
A set of 170+ Bootstrap based design blocks ready to be used to create clean modern websites.
jQuery Pjax
pushState + ajax = pjax
Remark
A simple, in-browser, markdown-driven slideshow tool.
Aos
Animate on scroll library
Marko
Marko template engine
Casper JS
Navigation scripting & testing utility for PhantomJS and SlimerJS
Mediaelement
HTML5 <audio> or <video> player with Flash and Silverlight shims that mimics the HTML5 MediaElement API, enabling a consistent UI in all browsers.
Pikaday
A refreshing JavaScript Datepicker — lightweight, no dependencies, modular CSS
Bootstrap Datetimepicker
Date/time picker widget based on twitter bootstrap
Tether
A positioning engine to make overlays, tooltips and dropdowns better #hubspot-open-source
Magnific Popup
Light and responsive lightbox plugin with focus on performance.
Lazysizes
High performance and SEO friendly lazy loader for images (responsive and normal), iframes and more, that detects any visibility changes triggered through user interaction, CSS or JavaScript without configuration.
Sinon.js
Test spies, stubs and mocks for JavaScript.
Particles.js
A lightweight JavaScript library for creating particles
Raphael
JavaScript Vector Library
Sigma
An open-source lightweight JavaScript graph drawing library