Crear un .WSP

2 Herramientas para Developers, algo que me consultaron bastante, como crear una solucion en .WSP

WSPSolution is the SharePoint Solution and Packaging Guidance project. The project recommends standards for: building SharePoint solutions in Visual Studio, namespace planning, deployment planning, package (WSP) creation, and build automation.
This project is based on the guidance found in the post: Building and Packaging SharePoint Solutions. The post refers to two utilities (WSPBuilder and SPDisposeCheck) that should be downloaded separately and placed in the intended folders.

WSP Builder A SharePoint Solution Package (WSP) creation tool for WSS 3.0 & MOSS 2007
No more manually creating the manifest.xml file.
No more manually specifying the DDF file.
No more using the makecab.exe application.
Before build:
http://www.keutmann.dk/sharepointblog/wspbuilder/wspdemo.jpg
Build:
http://www.keutmann.dk/sharepointblog/wspbuilder/wspbuilderconsole.jpg
After build:
http://www.keutmann.dk/sharepointblog/wspbuilder/buildresult.jpg