VisualVM - VisualVM is a visual tool integrating several commandline JDK tools and lightweight profiling...
API Monitor - API Monitor is a software that monitors and displays API calls made by applications and services. Its a powerful tool for seeing how Windows and other applications work or tracking down problems that you have in your own applications
JConsole - Provides information about performance and resource consumption for Java applications.
Deviare API Hook - Deviare is a professional open source hooking engine for instrumenting arbitrary Win32 functions, COM objects, and functions which symbols are located in program databases (PDBs).
Eclipse Memory Analyzer - The Eclipse Foundation - home to a global community, the Eclipse IDE, Jakarta EE and over 350 open source projects, including runtimes, tools and frameworks.
Microsoft Research Detours - Detours is a software package for re-routing Win32 APIs underneath applications.