The Spread Controller alters the spread used in MT4 backtests, without needing to manually restart MT4 and disconnect it from its broker. You run a simple script, enter the revised spread to use (which can be downloaded from MTI's spread data), and the Spread Controller manages the rest of the process for you.
The Data Integrity Checker analyses the data being used in MT4 backtesting and reports on common problems: missing bars in the data, incorrect spikes in prices, .fxt files exceeding 2GB (which cannot be correctly processed by MT4).
QuickChannel is a library for sending messages between copies of MetaTrader 4 running on the same computer (or between EAs/scripts running in the same installation of MT4). QuickChannel can deliver messages in less than 1 millisecond.
The Email Library is a simple DLL which provides all the email functionality missing from MT4: multiple recipients, attached files, HTML formatting, support for GMail etc.
EACopy simplifies the process of distributing new versions of .ex4 files across multiple instances of MT4. You simply put the new file(s) in one central place, and EACopy then transfers them into any number of different MT4 installations on your computer.