OctoPerf - OctoPerf is a SaaS load testing solution, based on JMeter.
k6 Cloud - Managed load testing service built on top of the popular open-source project k6.
StresStimulus - Load testing tool for websites and mobile that works with hard-to-test applications.
Loadrunner - Discover how HP performance, stress, and load testing software LoadRunner can prevent costly...
Loader.io - Loader.io is a simple cloud-based load testing service
SmartMeter.io - Performance Testing with Enterprise-Level Features with a familiar jMeter interface