Coinbase - Bitcoin, safe and easy.
2048 Ether - It’s like a crowdsale. The goal of the 2048ether.com is to try to raise 2048 ETH.
bitcoin.team - Track the most active Bitcoin Core developers 🛠️
The Thousand Ether Homepage - The Million Dollar Homepage as an Ethereum DApp
WenPay.me - WenPay makes it easy to send payment requests that should be paid in cryptocurrencies.
Ethereum Syllabus - A complete Ethereum learning track, packed with resources