The simply the best collection of library scripts
A minimalist JavaScript library for modern browsers with a largely jQuery compatible API.
A powerful open source PHP library to request a bunch of SEO relevant metrics such as detailed backlink analyses, keyword and traffic statistics, website trends, page authority, Google Pagerank, the Alexa Trafficrank and much more.
A small javascript library used to overlay images on top of the current page. It's a snap to setup and works on all modern browsers.
A JavaScript form validation library including more than a dozen useful validators. Automatically detects your form modifications and adapts.
Stand-alone parallax scrolling JavaScript library for mobile (Android, iOS, etc.) and desktop.
A PHP client library for accessing Google APIs. The Google API Client Library enables you to work with Google APIs such as Google+, Drive, or YouTube on your server.
A suite of modular libraries and tools which work together to enable rich interactive content on open web technologies via HTML5. Comprised of: EaselJS, TweenJS, SoundJS, PreloadJS, and Zoe.
An open source library that provides drag'n'drop file uploads with image previews. Dropzone will find all form elements with the class dropzone, automatically attach itself to it, and upload files dropped into it to the specified action attribute. jQuery plugin is optional.
A small JavaScript library which allows you to create programmatic dialog boxes using Bootstrap modals, without having to worry about creating, managing or removing any of the required DOM elements or JS event handlers.
A JavaScript MVVM (a modern variant of MVC) library that makes it easier to create rich, desktop-like user interfaces with JavaScript and HTML. It uses observers to make your UI automatically stay in sync with an underlying data model, along with a powerful and extensible set of declarative bindings to enable productive development.