Ethereum Name Service - Like DNS, but for Ethereum wallet addresses
Blockchain Demo - Visual demonstration of blockchain technology
How DNS Works - Super cute web comics about 'How DNS Works' for beginners!
Block Protocol - A POWERFUL NEW PROTOCOL FOR DEVELOPERSBuild and use interactive blocks connected to the world of structured dataAn open standard for building and using data-driven blocks.
MetaMask.io - A crypto wallet & gateway to blockchain apps
Aurora - Download apks from Google Play Store