Federacy - Bug bounty and security testing platform.
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)
Bounties Network - Complete tasks, earn crypto
BitInfoCharts - Price, reward, difficulty, hashrate, market capitalization, block time, blocks count for all the...
InterestExplorer - Discover 1000's of hidden Facebook interests to target.
Stampery - Stampery generates legally binding proofs of existence, integrity and ownership.