Process Monitor

Process Monitor is an advanced monitoring tool for Windows that shows real-time file system, Registry and process/thread activity.

Free Windows

Valgrind

Valgrind is an instrumentation framework for building dynamic analysis tools. There are Valgrind tools that can automatically detect many memory management and threading bugs, and profile your programs in detail.

Free Open Source Mac OS X Linux Android

SpyStudio

SpyStudio is the best product to trace user-mode API calls on Windows. SpyStudio is an Application tracer which shows and interprets calls, displaying the results in a structured way which is easy for any IT professional to understand.

Free Personal Windows

strace

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

Free Open Source Linux BSD FreeBSD

JTracer

JTracer is a remote debugger client for the Libcsdbg debugger Libcsdbg is a C++ exception stack tracer. When an exception is thrown, caught and handled, libcsdbg...

Free Open Source Mac OS X Windows Linux Android Java Mobile

Libcsdbg

Libcsdbg is a C++ exception stack tracer. When an exception is thrown, caught and handled, libcsdbg offers the tools to create and process the exception stack trace, the...

Free Open Source Linux

WinAPIOverride

This software allows you to monitor and/or modify any function of a process for any calling convention (stdcall or cdecl).

Free Personal Windows

ltrace

ltrace intercepts and records dynamic library calls which are called by an executed process and the signals received by that process. It can also intercept and print the...

Free Open Source Linux BSD FreeBSD