Essential Tools

Visual Studio Add-Ins: (in order of favourite-ness)
  1. JetBrains Resharper and my configuration file (Global workstation-wide file location is C:\Users\<UserName>\AppData\Roaming\JetBrains\ReSharper\vAny) and Type Member Layout that is compatible with StyleCop file.
  2. (Obsolete - Resharper now has the ability to sort Type members) Regionerate and StyleCop compatible configuration for Regionerate.
  3. Stylecop and (Obsolete - this project has been incorporated into Resharper 6: Stylecop for Resharper) and my configuration file for Stylecop.
  4. NUnit and TestDriven.Net  - lately I've been using MsTest (part of Visual Studio) and in conjunction with Resharper neither of these tools are needed.
  5. T4 Toolkit by Oleg Sych (Excellent for preventing locked assembly references)
  6. Ghost Docs
  7. Xaml Formatter (written by me. Even though you can format Xaml layout with Vs2010, it doesn't sort attributes like my tool does)
  8. Anhk SVN integration into Subversion.
  9. Visual Studio 2010 Darkside Colour Scheme (and a LightSide Scheme almost stock standard 2010 with a few tweaks)
General Stand-Alone tools:
  1. Reflector
  2. Notepad++
  3. LinqPad
  4. Structure Map (a test driven and IoC toolkit)
  5. AutoMapper (a cool automated adaptor toolkit - really useful for DTO patterns)
  6. Kuler a great colour scheme selection tool.