Keysheet - Rotten Tomatoes for Crypto
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)
Contributor Credits - Each Contributor Credit is a promise to pay $1 the future, when the project or business has cash.
BitInfoCharts - Price, reward, difficulty, hashrate, market capitalization, block time, blocks count for all the...
Cryptominded - Where you learn more about cryptocurrencies
Coinranking.com - A mobile-friendly list of cryptocurrencies.