Top 7 Open Source Load and Performance Testing Tools

Top 7 Open Source Load and Performance Testing Tools

You always need a testing tool to test the performance of your application. You will have to carry out frequent testing to ensure the smooth working of it. You can check the performance of your applications with the help of many open source performance testing tools for load and performance testing. You can speed up and enhance the performance of your application with the help of testing tools. So, here are top 7 open source performance testing tools that you will need testing load and stress.

1. JMeter

Jmeter is the most famous one designed for load testing and performance measurement. It is a desktop application having a user friendly GUI which makes it easy for test development and debugging. It has modular structure where core is extended by plug-ins. It is a Java app which is driven by right clicks.

Features of JMeter

  • Hosts technologies like Java Objects, Web HTTP or HTTPS, FTP etc
  • Cross-platform and scalable
  • It supports Multi protocol
  • It uses IDE for recording, debugging, etc
  • Use of JMeter 3.1 Groovy as default programming language

Testing Experts

2. Grinder

Grinder is a free Java-based load testing framework which is available under open source license. The developer of this tool is Paco Gomez and it is maintained by Philip Aston. It has gone many improvements over the years. It is easy to run and create distributed testing solutions with the use of load injector machines. It consists of Grinder console and Grinder agents.

Features of Grinder

  • TCP proxy
  • Distributed testing that is scalable with agent instances
  • Powered by Python or Closure with Java API
  • It can support multiple protocols
  • Flexible parameterization to create test data
  • It enables post-processing and assertion and also access to test results for verification

Also Read: Top Bug Tracking Tools for Successful Software Testing

3. Gatling

Gatling is a stress tool which is built on Scala, Akka and Netty. It is one of the free and open source performance testing tools which is developed and maintained by Stephane Landelle. It consists of a basic GUI to test recorder. This tool consists of Domain-specific language which is easy to read and write tests development.

Features of Gatling

  • Powerful and simple DSL
  • Multi-threaded
  • Extendable
  • HTTP recorder
  • Multiple input sources
  • Understandable load reports
  • Asynchronous and non-blocking approach
  • Flexible validation assertions system

4. Tsung

Tsung is a non-Java-based open source tool to test the performance. It was previously known as IDX-Tsunami. It was launched by Nicolas Niclausse in 2001. It provides a complete testing solution with the help of protocols like web sockets, databases and authentication systems.

Features of Tsnug

  • HTTP recorder
  • HTML reports and graphs
  • Distributed design
  • Multiple protocol support.
  • Able to monitor CPU of client, memory and network traffic
  • Data-driven testing
  • Flexible load scenarios

Testing Videos

5. Locust

Locust is a Python-based framework which allows you to write scripts in Python language. This tool is very simple to use and you can monitor swarming process from web UI. It is targeted for web applications and web-based services. Using this framework you can test all sorts of performance tests. It has a different approach which is based on events and g-event co-routine. It stimulates many users and executes complex scenarios.

Features of Locust

  • Web-based UI which is user-friendly
  • Cross-platform
  • Creation of test scenarios using Python language
  • Scalable
  • Easy API testing
  • Web-based load monitoring
  • Code based scripts
  • Power assertion ability

Also Read: JMeter Vs. Locust- Performance Testing Tools

6. Tauras

Tauras provide an automation friendly framework. You can involve in testing like functional testing and performance testing. You can write the tests in YAML which is readable, edible and simple approach to describe your tests in simple text file. Your team can also describe the tests in YAML or JSON file. It gives you relief from heavy client specific recorders and scripting tools.

Features of Tauras

  • Provides abstraction layer
  • Fits into your CI or CD pipeline
  • Uses YAML which easy to perform code reviews
  • Allows more members to contribute in testing

7. Siege

Siege is a command line HTTP load testing tool designed to measure codes under stress. It is also used for benchmarking utility. This tool supports basic authentication, cookies, FTP protocols and HTTP and HTTPS. It stimulates user to use the server with a configurable clients who are also stimulated.

Features of Siege

  • Simple to use
  • Brute-force type testing
  • Support multi-protocols
  • Stimulates clients

QA Service Provider

Now, it’s time for you to take the help of any of the above testing tool to test the load and stress in your application. All of them are useful, and you can select any one of them according to your requirement and your convenience. These performance testing tools would enhance the performance of your application and optimize it. You can rely on these tools as they will make your application work the best even during heavy traffic.

Stay updated with our newsletter

Subscribe to our newsletter for some hand-picked insights and trends! Join our community and be the first to know about what's exciting in software testing.

Our Blogs

(Re)discover the QA & software testing world with our blogs

Welcome to the testing tales that explore the depths of software quality assurance. Find valuable insights, industry trends, and best practices for professionals and enthusiasts.

Security Testing for Retail Platforms: Protecting Data and Transactions
Latest Blog. March 10, 2025

Security Testing for Retail Platforms: Protecting Data and Transactions

We all have been encountering a number of ecommerce sites that have been hovering over the digital space. So, it is evident that the retail landscape is growing to be more competitive than ever in 2025 and the future as well. The following ecommerce platforms and POS systems showcase a number of features to allure […]

Read More
Top 7 Mobile App Testing Companies in Australia
Latest Blog. February 25, 2025

Top 7 Mobile App Testing Companies in Australia

It will not be an astonishing fact if we credit mobile applications to enrich our lives to a vast extent. Can you really think of living without the effective potential of mobile apps? The answer is a clear NO! Every user will agree that their preferred mobile applications are helping them out with everyday tasks, […]

Read More
Mobile Testing for E-Commerce Platforms: Delivering Seamless User Experiences
Latest Blog. February 12, 2025

Mobile Testing for E-Commerce Platforms: Delivering Seamless User Experiences

Retail companies are using digital transformation strategies by mobile app testing company to reach a diverse audience across different regions as a result of a fundamental change in the shopping experience. Digital commerce is becoming increasingly important and is anticipated to be the highest rate of growth goal for 75% of businesses over the next […]

Read More
Outsourcing QA for Retail: Maximizing Testing Efficiency
Latest Blog. January 28, 2025

Outsourcing QA for Retail: Maximizing Testing Efficiency

Have you ever felt wholeheartedly satisfied with retail shopping as they have provided you with all the encouraging benefits that you desired? So, customer satisfaction and their specific preferences are extremely important for the retail industry to understand as all these aspects will enrich their quality. Nowadays, most customers are looking for economical products that […]

Read More

Get in touch

Let’s accomplish (in)credible projects together.

Fill out and submit the form below, we will get back to you with a plan.

Don’t hesitate, mate. SAY HELLO

ISO Certifications

CRN: 22318-Q15-001
CRN:22318-ISN-001
CRN:22318-IST-001