Depends on where you are from. I use BARX
Tradeking has pretty good rates, and a flexible trading platform. You get what you pay for with on line brokerage companies, that is to say if you pay a little more you will get more features for research.
real time trades $9.95 per trade.
As long as you’re not a new investor;
Interactive Brokers
ThinkOrSwim
Terranova Trading
Lightspeed
If you’re a new trader (less than 2 years experiance);
Charles Schwab
Fidelity
The other brokerages do.
The platform zeccocom offers 10 free trades thereafter.
The platform zeccocom offers 10 free trades month with cheap trades thereafter.