TestDriven.NET is a zero friction unit testing add-in for Visual Studio .NET. It is compatable with NUnit, xUnit and MSTest. You can download the full extension from http://www.testdriven.net. TestDriven.Net is now being maintained here: https://github.com/jcansdale/TestDriven.Net-Issues
A non-intrusive bulk/unity C++ build tool for Visual Studio
RudeBuild is a non-intrusive bulk/unity C++ build tool that seamlessly integrates into Visual Studio 2008, 2010, 2012, 2013, and 2015 as an add-in, but can also be launched from the command line. It can speed up build times of large C++ projects by a factor of 5 or more. RudeBuild also supports IncrediBuild.
XmlPreprocess is a tool that can be used to preprocess specially annotated XML files making property substitutions much like a code preprocessor. It is useful for deploying XML configuration files like .NET config files to a many environments.
Saturn disk image is a tool for working with disk images (".iso" files). Saturn provides a graphical user interface, a dotNET component library, and a NAnt task, enabling software engineers to create disk images from build scripts.