Bitfinex - Bitfinex is the largest and most advanced crypto-currencies trading platform.

Live Coin Watch - The best real-time crypto price index with graphs & historical data for 1500+ coins including bitcoin, ethereum, & altcoins from major cryptocurrency exchanges.

BitStamp - Provide reliable and easy to use service for companies and individuals to exchange bitcoins.

GoodCrypto - Multi-exchange crypto trading with advanced order types on 30 exchanges. Automated crypto portfolio tracking.

Mycelium Bitcoin Wallet - With the Mycelium Bitcoin Wallet you can send and receive Bitcoins using your mobile phone.

CoinTracker - The most trusted cryptocurrency tax and portfolio manager