SharePoint Work Acceleration Toolkit 2007 aka (SWAT)

Download
SWAT User Guide

Works with: Windows SharePoint Services 3.0 and Office SharePoint Server 2007

FREE!
Whether you are developing SharePoint code, creating a prototype or just trying to test out various aspects of the SharePoint framework, you quickly discover that designing and developing SharePoint, with all its moving parts, is time consuming and sometimes downright frustrating.

http://www.idevfactory.com/products/swat/default.aspx