Visual Studio 2013 comes with a better memory profiler for .NET applications, but it is still far behind the other commercial offerings.

Visual Studio 2012 Update 1 includes a new JavaScript Memory Analyzer for Windows 8 which identifies potential memory leaks to enable developers to fix their apps before submission to Windows Store.

It's hard to create memory leaks in .NET, but I can do it when developing in SharePoint without even trying very hard. The SharePoint Dispose Check (SPDisposeCheck to its friends) analyzes your code ...

Debugging memory leaks is set to become a more easily resolvable situation thanks to a new release from Microsoft: The Detached Elements tool.

Take advantage of Microsoft.IO.RecyclableMemoryStream to eliminate LOH allocations and avoid memory fragmentation and memory leaks in your .NET Core applications.