Valgrind - Valgrind is an instrumentation framework for building dynamic analysis tools.
Pingdom - With website monitoring from Pingdom you will be the first to know when your website is down. No installation required. 30-day free trial.
VisualVM - VisualVM is a visual tool integrating several commandline JDK tools and lightweight profiling...
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OProfile - OProfile is an open source project that includes a statistical profiler, capable of profiling all running code at low overhead.
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