PushToTest TestMaker is described as 'TestMaker is a test orchestration engine. TestMaker repurposes Selenium, soapUI, Sahi, and unit tests written in Java, PHP, Perl, Groovy, .NET, C# to be functional tests, load and performance tests, and production service monitors'. There are more than 10 alternatives to PushToTest TestMaker for Windows, Linux, Online / Web-based, Mac and BSD. The best alternative is Apache JMeter, which is both free and Open Source. Other great apps like PushToTest TestMaker are Loadrunner (Paid), Flood.io (Freemium), WAPT (Paid) and LoadFocus (Freemium).
Utilizing headless scriptable browser PhantomJS and Amazon cloud servers, LoadBooster offers the unique load testing service that provides large testing capacity, a real browser user experience, better AJAX support, clearer error reporting, as well as high-fidelity test results.