CoinList - Build a diverse portfolio of pre-launch token investments
What If Bitcoin? - Check how much you could have made by investing in bitcoin.
Crypto Buyer's Guide - Extensive cryptocurrency buying guide
Margin Calculator - We Are From Business Community And Helping Business Owners To Calculate Margin, Profit, And Loss.
CoinCap.io - Shows the prices of different cryptocurrencies from ShapeShift.
Robinhood - Free stock trading service.