Libcsdbg
Valgrind
API Monitor
strace
Process Monitor
ltrace
ApproveAPI
SpyStudio
Kcachegrind
Valgrind
Webgrind
dotMemory
Robot Console
Munin
Yourkit
Profiling Viewer
LibcsdbgValgrind - Valgrind is an instrumentation framework for building dynamic analysis tools.
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
Webgrind - Webgrind is an Xdebug profiling web frontend in PHP5.
strace - Trace system calls and signals. A diagnostic, debugging and instructional userspace utility.
dotMemory - dotMemory allows users to analyze memory usage in a variety of .NET and .NET Core applications.
Process Monitor - Monitor file system, Registry, process, thread and DLL activity in real-time.