Final answer:
JMeter is an open source load testing tool that can be used to test ElasticBeanstalk apps.
Step-by-step explanation:
An open source load testing tool that can be used to test ElasticBeanstalk apps is JMeter. JMeter is a popular tool for load testing and it is widely used in the industry. It allows you to simulate heavy loads and measure the performance of your ElasticBeanstalk apps.
JMeter has a user-friendly interface and supports various protocols, including HTTP, HTTPS, FTP, and more. It also provides in-depth performance reports and analysis.
To use JMeter to test ElasticBeanstalk apps, you would need to configure the necessary settings in JMeter and specify the endpoint of your app.