NeoLoad
Performance and load testing tool by Tricentis
OctoPerf
SaaS and on-premise load testing platform based on JMeter
OpenSTA
Distributed load testing architecture based on CORBA
p-unit
Framework for unit tests and performance benchmarks
Pandora FMS
Open source IT infrastructure and application monitoring (Pandora Open)
PurifyPlus
Run-time analysis suite: memory errors, performance and coverage