Possible Duplicate:
List of SharePoint 2007 / WSS 3.0 development tools

When developing or administering SharePoint, what are the must have tools?

This question is intended to reference the most useful tools for any developer. It's a community Wiki, do not hesitate to contribute

merged by Kit Menke Jul 9 '12 at 14:51

This question was merged with List of SharePoint development tools [closed] because it is an exact duplicate of that question.