HTML5 now has been utilised by many websites, either whole part or a small portion. It has been taking us to the next level of world wide web. Lots and lots of fancy websites are solely developed using HTML5 and CSS3 instead of Flash, which not only replace the old and slow Flash, also increase the semantic SEO ability. There are many changes in HTML5, especially the video and canvas markup elements. To easily start with, some step-by-step HTML5 tutorials are must look. No matter you are a beginner or somewhere in the middle, those tutorials will get you through and make things more clear.
From the basic introduction, we would know the features, differences and some tips to start your HTML5 journey. Following with some web page development tutorials as an exercise. Then the good part comes: HTML5 video/canvas tutorials. The last one is something app-related (Instead of building a native app on iOS/Android, developers build an universal HTML5 website or web app which serves the same function to reduce costs). Let’s get started.
HTML5 Templates and Frameworks from previous posts

Top HTML5 Frameworks and Generators To Ease Your Pain
15 Best Free HTML5 Templates For Professionals
HTML5 Basics

Introduction to HTML 5
WTF is HTML5
HTML5: The Basics
28 HTML5 Features, Tips, and Techniques you Must Know
HTML5 Webpage Layout Tutorials

Coding An HTML 5 Layout From Scratch
Designing a blog with html5
Code One Page Portfolio with HTML5 and CSS3
Create a Typography Based Blog Layout in HTML5
Coding a CSS3 and HTML5 One-Page Website Template
How to Code a Clean Website Template in HTML5 & CSS3
Touch The Future: Create An Elegant Website With HTML 5 And CSS3
HTML5 Video Tutorials

HTML5 Video Introduction
HTML5 Audio and Video: What you Must Know
The video element
Embed Videos In Your Web Pages Using HTML5
HTML5 Canvas Tutorials

HTML5 canvas – the basics
Learning the basics of HTML5 canvas
An introduction to the Canvas 2D API
Html5 Canvas Tutorials
HTML5 Mobile App Tutorials

Create Mobile App with HTML5
How to Make an HTML5 iPhone App
Feature Image Source: HTML5 POSTER

Very useful and basic tutorial which cover most important parts of a HTML5, nice to read or see this tutorial.
Thanks, James.
Mention not, really i have to say thank you for providing such awesome useful stuff.