Xdebug Profiling Web Frontend in PHP
Sampling profiler for Python programs
Your application log analysis tool.
C/C++ function instrumentation (AOP, exception/stack tracing, GC)
Support for manual parallelization of sequential C programs.
Visualization of Java thread dumps
Manage and execute Linux testing and reporting programs
Aspect Oriented Programming (AOP) for Erlang
Library tools to collect timing in Java, C, C++
A real Win32 extensible passive debugger
Simple C library for helping writting code with no memory leaks
Investigo - DX9 Performance and Debugging Toolkit
QProf is the visual tool for profiling text information.
Continuous profiling based on stochastics