Validatr is a jQuery plugin that relies on using modern HTML5 input attributes to perform validation.
flv.js works by transmuxing FLV file stream into ISO BMFF (Fragmented MP4) segments, followed by feeding mp4 segments into an HTML5
<video> element through Media Source Extensions API.
Fabric also has SVG-to-canvas (and canvas-to-SVG) parser.
Multirange is a tiny polyfill for HTML5 multi-handle sliders.
Plyr is a simple, accessible and customizable HTML5, YouTube and Vimeo media player.
A tutorial about creating social share buttons for your mobile website by using jQuery, HTML5 and CSS. It also support share via WhatsApp.
A tutorial about creating responsive iOS9 iMessage interface by using jQuery, CSS and Html5.
A nice looking audio player that you can use on your website, created by using HML5 Audio, jQuery and CSS.
jQuery Video Extend is a plugin to extend HTML5 videos as:
A tutorial about creating responsive image slideshow by using HTML5, CSS3 and jQuery. It also supports swiping on touch devices. It works on all modern browsers including IE 10+.