If you're down 50% of your capital thus far, perhaps you should go back to paper trading and retest your strategies. If your strategies work flawlessly in paper trading, then it means your psychological aspect isn't up to par and needs work.
If you were caught in the August market correction, then you need to re-evaluate how you exit trades and again need to fix the mental aspect. There was plenty of time to exit any positions on the first week of August once you saw that you were losing money. If you held through, then its because you didn't enter the trade with a pre-determined "if this happens, then do this, otherwise do this" strategy.
FreeStockCharts.com is the best one that is free... you can get the Gold package for 30 a month, check on their site. Otherwise, if you're not day trading I don't see why that site is not adequate for your needs.