If still in need, look at EXNESS or XM Economist, offering 500+ leverage and rebates
If there is still a need, take a look at the XM platform, which has a deposit compensation plan during the standard account campaign。
Spreads are floating spreads and vary by account type.
MetaTrader 4 and MetaTrader 5 are both available
For index trading, take a look at XM and AvaTrde