changelly - Exchange alternative cryptocurrencies.
CoinArbitrage - Crypto Currency Price Monitor in Real time with Alerts and Notification through email, sms, Desktop Notifications Instantly and watch all of your assets and coins in one place with 16 Exchanges, 6500+ Coin (bitcoin, etherum, dogecoin,litecoin,ripple)
ShapeShift - Buy cryptocurrency instantly without the need of an account.
BitInfoCharts - Price, reward, difficulty, hashrate, market capitalization, block time, blocks count for all the...
CoinSwitch - First cryptocurrency and altcoin exchange aggregator.
Stampery - Stampery generates legally binding proofs of existence, integrity and ownership.