Ethereum Syllabus - A complete Ethereum learning track, packed with resources
TemplateMo - TemplateMo is a great place to get bootstrap templates from your website, which are all HTML5 supported with CSS layout.
Ethereum Price - ETH live price + updates from the industry
Ethereal by HTML5 UP - A fully responsive side-scrolling one-page HTML5 template
Pragma - The home base for Ethereum developers.
UIdeck - Landing Page HTML Templates and UI Kits