OctoPerf - OctoPerf is a SaaS load testing solution, based on JMeter.
NewRelic - New Relic is a Software Analytics company that makes sense of billions of metrics across millions of apps. We help the people who build modern software understand the stories their data is trying to tell them.
StresStimulus - Load testing tool for websites and mobile that works with hard-to-test applications.
Blackfire.io - Blackfire empowers all PHP developers and IT/Ops to continuously verify and improve their app’s performance, throughout its lifecycle, by getting the right information at the right moment.
SmartMeter.io - Performance Testing with Enterprise-Level Features with a familiar jMeter interface
ir JEE Monitor - ir JEE Monitor is a powerful tool that helps you monitor the stability and performance of your Java EE applications easily and quickly.