BitStamp - Provide reliable and easy to use service for companies and individuals to exchange bitcoins.
Toshi - A browser for the Ethereum network
Bitfinex - Bitfinex is the largest and most advanced crypto-currencies trading platform.
Exodus.io - All-in-one app to secure, manage and exchange blockchain assets.
Mycelium Bitcoin Wallet - With the Mycelium Bitcoin Wallet you can send and receive Bitcoins using your mobile phone.
MyEtherWallet - MyEtherWallet is a free, open-source, client-side interface.