There are several software to accomodate your request a simple search will reveal many to you. You need to use the one which is most suited to your trading style. The best forex leading indicators are those that you generate & analyze yourself. There are a couple of forex signal software out there in the market but most have monthly fees. The software that I use can be found here
http://www.forexfreedownload.com You have to enter the price data yourself but it works with any trading platform has no monthly fees
Best Regards