YCC Trainer is a program that can be used to better understand how the Yahoo! Messenger protocol works. The intention is to teach through example and source code. YCC Trainer is designed to teach the logic needed to make your own Yahoo! Messenger client. YCC Trainer is geared towards programmers with little to moderate experience and an understanding of the .NET languages.

YCC Trainer is written in Visual Basic.NET 2005 and is part of a larger project at Yahoo! Coders Cookbook (www.ycoderscookbook.com) intended to teach you everything you need to know about the Yahoo! Messenger protocol. This version is the first release on CNET Download.com.