7 Generic TSQL Scripts to Troubleshoot SQL Performance Problems
Perfmon PMU Collecting tool
Software Monitoring Framework
Your application log analysis tool.
Open|SpeedShop is an open source multi platform Linux performance tool
Java performance analysis tool
Profiler for Oracle extended SQL trace files
Visualization of Java thread dumps
Simple, neat and powerful tool for loading and managing JS scripts
Simple and powerful tool for benchmarking your code's efficiency
Windows prebuilt binary of QCacheGrind (better known as KCacheGrind)
C++ Benchmarking Library
XDebug profiles viewer
QProf is the visual tool for profiling text information.