OctoPerf - OctoPerf is a SaaS load testing solution, based on JMeter.
SmartMeter.io - Performance Testing with Enterprise-Level Features with a familiar jMeter interface
LoadComplete - The only load testing tool to record, replay, and test in real browsers at scale.
LoadView - LoadView is a cloud-based load testing platform that allows users to stress-test their websites and web apps to know their performance level.
Taurus - Automation-friendly framework for Continuous Testing.
k6 Cloud - Managed load testing service built on top of the popular open-source project k6.