Many US brokers offer their clients the opportunity to connect to trading through a Rithmic gateway. Among them the AMP Global Clearing on their site you can register demo account and practice to trade futures.
Follow these steps:
TigerTrade choose from menu File - Connections - Setup.
2. In opened window click “+” Create new connection and choose Rithmic.
3. In next window fill in your
Login and Password from broker, and choose the System to connect (for demo account it is Rithmic Paper Trading), click ОК.