There's actually quite a few Visual Studio macro-type solutions here, but the most interesting are the dependency graphs and doxygen automation, and #regions for C++
Ultimate++ is a C++ cross-platform rapid application development suite focused on programmers productivity. It includes a set of libraries (GUI, SQL, etc..), and an integrated development environment.
U++ looks like an interesting alternative to qt and wxWidgets as a cross-platform widget toolkit -- it has it's own IDE with graphical form design, etc.
Microsoft's official list of "banned" unsafe function calls. Basically this is a list of all the SafeCRT and StrSafe.h function equivalencies ... along with a short discussion of the relative merits for StrSafe vs. SafeCRT... also includes some *very* useful examples.
Source Analysis is similar in many ways to Microsoft Code Analysis (specifically FxCop), but there are some important distinctions. FxCop performs its analysis on compiled binaries, while Source Analysis analyzes the source code directly.
There are are a couple of valuable tricks already in this toolkit:
1) a fix for NUnit (and others) to allow unit testing things which must run in STA mode.
2) a way to make your XAML data binding testable by tracing data binding warnings
ZedGraph is an OpenSource .Net graphing library (2D graphs and charts) for Windows -- it can render multiple graphs in a single pane and offers extensive customizability.
The source code to (an improved version of) RegSvr32.exe -- this version has a /c command parameter that forces it to output on the command line instead of using message boxes (why isn't that in the default one?)
PureMVC is a lightweight framework for creating applications based upon the classic Model, View and Controller concept.
Based upon proven design patterns, this free, open source framework which was originally implemented in the ActionScript 3 language for use with Adobe Flex, Flash and AIR, is now being ported to all major development platforms.