SMARTBEAR ReadyAPI - SMARTBEAR ReadyAPI is one of the legit and professional automated testing API platforms that allows teams to create and run automated security tests for APIs and SOAP APIs.
WebLOAD - WebLOAD - The most flexible and cost effective software for enterprise load, stress and performance testing, integrated with DevOps processes. Click for details
Tricentis NeoLoad - Tricentis NeoLoad is an Enterprise Performance Load Testing platform that provides hardware-based performance simulations and can simulate web services, databases, file servers, and virtualized environments.
OctoPerf - OctoPerf is a SaaS load testing solution, based on JMeter.
Headspin - Test your mobile app on different global cell networks
SmartMeter.io - Performance Testing with Enterprise-Level Features with a familiar jMeter interface