EasyHook - The reinvention of Windows API Hooking
Valgrind - Valgrind is an instrumentation framework for building dynamic analysis tools.
madCodeHook - "madCodeHook" offers everything you need to hook code (mostly APIs).
OProfile - OProfile is an open source project that includes a statistical profiler, capable of profiling all running code at low overhead.
WinAPIOverride - WinAPIOverride : This software allows you to monitor and/or modify any function of a process for any calling convention (stdcall or cdecl)
VisualVM - VisualVM is a visual tool integrating several commandline JDK tools and lightweight profiling...