PAPI is an open-source library interfacing to hardware performance counters, used by PerfSuite, Scalasca, TAU, VampirTrace, and other tools.
Periscope is an open-source distributed automatic on-line performance analysis system with an Eclipse plug-in for analysis presentation.
Scalasca is an open-source toolset that can be used to analyze the performance behaviour of parallel applications and automatically identify inefficiencies.
Score-P, OPARI2, OTF2 & CUBE4 are components of a community-developed parallel performance instrumentation, measurement & analysis infrastructure.
TAU Performance System is an open-source toolkit for parallel profiling, code analysis and performance visualization and exploration.
Vampir a commercial framework and graphical analysis tool to display and analyze trace files generated by Score-P.