http://paststat.com/backtesting http://www.etfreplay.com/ http://www.stockbacktest.com/ http://www.newtraderu.com/2014/03/27/three-free-backtesting-sites-for-new-traders/
you do not need to code anything that's the main difference . Also, our main focus - non-price data sets, which I believe will give to you huge edge in the stock market