Pragma - The home base for Ethereum developers.
TemplateMo - TemplateMo is a great place to get bootstrap templates from your website, which are all HTML5 supported with CSS layout.
Blockbutler - Real-time transaction notifications for the blockchain
Ethereum - Ethereum is a decentralized platform for applications that run exactly as programmed without any chance of fraud, censorship or third-party interference.
Pusher Beams - Send push notifications programmatically at scale
The Thousand Ether Homepage - The Million Dollar Homepage as an Ethereum DApp