The Thousand Ether Homepage - The Million Dollar Homepage as an Ethereum DApp
Cryptgeon - Securely share self-destructing notes
Million Dollar Metropolis - Browse and buy ads in a virtual city 🏙
BURN.link - Send secure, encrypted, self-destructing messages
Ethereum Syllabus - A complete Ethereum learning track, packed with resources
1ty.me - If you need to send a password or some other form of simple but sensitive information to someone...