Valgrind - Valgrind is an instrumentation framework for building dynamic analysis tools.
WinAPIOverride - WinAPIOverride : This software allows you to monitor and/or modify any function of a process for any calling convention (stdcall or cdecl)
EasyHook - The reinvention of Windows API Hooking
ltrace - ltrace intercepts and records dynamic library calls which are called by an executed process and the...
Process Monitor - Monitor file system, Registry, process, thread and DLL activity in real-time.
strace - Trace system calls and signals. A diagnostic, debugging and instructional userspace utility.