Deleaker - Deleaker finds memory leaks, GDI leaks, leaks of handles, USER objects and others. Available both as a Visual C++ extension and standalone application.

strace - Trace system calls and signals. A diagnostic, debugging and instructional userspace utility.

ANTS Performance Profiler - Speed up the performance of your application with ANTS Performance Profiler, for .NET code analysis.

ftrace - A function tracer for the Linux kernel.

AQtime Pro - AQTime Pro is the fastest way to detect memory leaks, performance bottlenecks, and code coverage gaps across C, C++, Delphi, .

Valgrind - Valgrind is an instrumentation framework for building dynamic analysis tools.