Bitfinex - Bitfinex is the largest and most advanced crypto-currencies trading platform.
Thinkorswim Mobile - Thinkorswim Mobile app features options so users can get all their desktop trading data at the palm of their hands to invest in the stock market or take their money out of the stock market.
Bitcoin Wallet - Bitcoin Wallet is a mobile application that allows you to send and receive digital currencies.
Sumday - Investing how you least expect it
BitStamp - Provide reliable and easy to use service for companies and individuals to exchange bitcoins.
Slice Capital - Invest alongside top Angels and VC’s for $100