The Personal Trade Copier duplicates trades between any installations of MT4 or MT5 on the same computer - simply use the MT4 EA in MT4, and the MT5 EA in MT5. Supports any broker. Copying is almost instant, limited only by your broker's speed. Hundreds of settings, including the ability to change lot sizing and risk, invert trade direction, control which trades are copied, and even extend the copier with your own MQL code.
The Slingshot Author app creates packages for Slingshot, letting other users quickly download a single package which installs a chart (or template) plus all the EAs and custom indicators used on that chart.
The GDAX Price Indicator retrieves real-time cryptocurrency prices from the GDAX exchange and displays them on both MT4 and MT5 charts, allowing you to compare them with your broker's prices.