ActTrader - ActTrader - The leading edge of currency trading technology
TradeStation - Whether you trade stocks, ETFs, options or futures, TradeStation’s award-winning tools and...
ExchangeRate-API - An easy to use, free & reliable Exchange Rate API trusted by tens of thousands of developers since 2010!
OptionsHouse - OptionsHouse is an online stock trading platform with an easy-to-use interface.
Xone Trader - Forex Exchange and Trading
Google Finance - Google Finance is a website focusing on business news and financial information hosted by Google.