IO statistics for Unix like OSes
QUAD Memory Access Profiling Toolset
Memory usage logger and analyzer
Library tools to collect timing in Java, C, C++
A simple threads toolkit with a portable interface
A real Win32 extensible passive debugger
Simple C library for helping writting code with no memory leaks
.Net Memory Profiler
C++ Benchmarking Library
Investigo - DX9 Performance and Debugging Toolkit
QProf is the visual tool for profiling text information.
A Simple Process Manager for Windows.
Library for dynamic tuning of program parameters.