The Thousand Ether Homepage - The Million Dollar Homepage as an Ethereum DApp
Pragma - The home base for Ethereum developers.
Ethereum - Ethereum is a decentralized platform for applications that run exactly as programmed without any chance of fraud, censorship or third-party interference.
Blockbutler - Real-time transaction notifications for the blockchain
Ethereum Syllabus - A complete Ethereum learning track, packed with resources
CryptoNotify - Receive transaction notifications of any BTC or ETH address