Record JMeter tests while browsing, upload JMX files to the cloud, and run load tests with thousands of users.
Tomasz Rembacz
https://www.jmxenhancer.com/
BlazeMeter by Perforce
Michael Mrowetz
https://bugmagnet.org/
anas.jbour
Testinium
https://loadfocus.com/
https://loadfocus.com/
https://selectorshub.com
Alexander Vykhodtsev
http://seleniumhq.org/