iRobot (big free EA w many strategies)
EA Testing. Strategy Builder for MetaTrader. MetaTrader Expert Advisors - Downloads. Turtles EA. Auto Trade Tradestation Strategy to GFT Forex Account. How to automate a trading system? My immediate thought is to point you at IG Index.
They have the best charting package I've seen in any spread bet firm (CMC Markets have the same, but I'm not so fond of their trading platform, and there's persistent rumours of problems with their datafeed). It's not the full heavy duty stuff you'll get with a for-money charting tool, but it might let you enter enough in code to get it working.