- Load Ninja
 - Apache JMeter
 - Web LOAD
 - LoadUI Pro
 - Load View
 - NeoLoad
 - LoadRunner
 - Silk Performer
 - AppLoader
 - SmartMeter.io
 - Locust
 
Apache JMETER
JMeter is an open source tool that can be used for performance and load testing for analysing and measuring the performance of a variety of services. This tool is mainly used for web and web service applications.
Features:
- It supports multiple load injectors managed by a single controller
 - Highly portable and supports all the Java-based apps
 - Less scripting efforts as compared to other tools
 - Simple charts and graphs for analysing key load related statistics and resource usage monitors.
 - Supports Integrated real-time, Tomcat collectors for Monitoring
 - It supports HTTP, HTTPs, XML, SOAP, Java-based protocols and FTP protocols
 
Blazemeter
BlazeMeter’s open-source based, enterprise ready platform unifies all the functionality you need to shift testing left - and right.
Features:
- Functional Testing
 - Performance Testing
 - Mock Services
 - 360° API Testing
 
Loader.io
Loader.io is a cloud-based load testing service for developers to test performance and scalability with their web applications and APIs.
Features:
- It provides simple cloud-based load testing
 - Load testing for web applications and APIs for performance and scalability
 - Integration with PaaS providers, continuous integration tools, and browsers
 - Allows testing up to 50,000 concurrent connections for free
 - It is cloud-based so it is a no install solution and immediately available for developers to test.
 
Reference Blogs:
This is not the end of this Blog on Performance / Load Testing tools. I will keep on adding details on other tools in future, as and when I gain more knowledge and experience.
