There are many kinds of trading platforms like ninjatrader, ctrader, plus500, etc, but so far I am using FXOpen broker that supports Metatrader 4 and Metatrader 5, and also available TickTrader, for scalping trading usually trade on EURUSD its has a low spread, and XAUUSD also good for scalping but risky due to higher volatility. I am use Metatrader 4 for PC.