HTML Tools

HTML templates/boilerplates/starter kits:

• HTML5 Boilerplate
• Mobile boilerplate
• Web Starter Kit Boilerplate & Tooling for Multi-Device Development
• dCodes
• HTML5 Bones
• Email-Boilerplate
• Pears

HTML polyfill:

• html5shiv

Transpiling:

• jade
• HAML
• Markdown

References:

• HTML Interfaces Browser Support
• HTML Entity Lookup
• HTMLelement.info
• Elements
• Element attributes
• HTML Arrows

Linting/hinting:

• html5-lint
• HTMLHint
• html-inspector

Optimizer:

• HTML Minifier

Online creation/generation/experimentation tools:

• tablesgenerator.com

Authoring conventions:

• Principles of writing consistent, idiomatic HTML
• HTML code guide

Workflow:

• Emmet

Trending HTML repositories on Github this month:

https://github.com/trending?l=html&since=monthly