JMeter is an open source load and performance testing tool. It helps you to analyze and measure the performance of a variety of services. However, Jmeter requires high learning curves thus it requires experience testers. Moreover, it doesn't support JavaScript and not offers automatic support for AJAX requests.

Here, is a curated list of top 8 tools that can replace Jmeter. The following list includes commercial and open-source performance testing tools with popular features and download links.

1) LoadNinja

LoadNinja by SmartBear allows you to quickly create scriptless sophisticated load tests, reduce testing time by 50%, replace load emulators with real browsers, and get actionable, brower-based metrics, all at ninja speed. You can easily capture client-side interactions, debug in real time, and identify performance problems immediately.

Features:

  • Scriptless load test creation & playback with InstaPlay recorder
  • Real browser load test execution at scale
  • VU Debugger – debug tests in real time
  • VU Inspector – manage virtual user activity in real time.
  • Hosted on the cloud, no server machine & upkeep required
  • Sophisticated browser-based metrics with analytics and reporting features

2) StresStimulus

StresStimulus targets application scenarios that are difficult to test with other tools. It automatically fixes playback errors thanks to its proprietary autocorrelation. StresStimulus records user actions and replays them to emulate variable usage patterns. It also monitors load impact on application responsiveness and server infrastructure. The result analyzer finds hidden concurrency errors left unexposed by functional testing and includes detailed application performance metrics.

Features:

  • End-to-end Test Wizard covers all steps from recording to test results, which reduces the learning curve
  • On-premise or cloud testing supported with multiple load generators
  • Works as a stand-alone tool or Fiddler add-on
  • Exports script to Visual Studio test format to help with scenarios that fail when recorded in Visual Studio directly
  • Manual scripting is not required but available; supports three scripting languages

3) LoadView

LoadView by Dotcom-Monitor provides on-demand, real browser-based load testing from the cloud. With the flexibility to design multiple test scenarios for today’s most demanding applications, LoadView empowers DevOps teams to test the limits of their websites, applications, and APIs. Measure client-side performance by simulating critical user interactions, ensuring a consistent user experience from around the world.

  • Point and click scripting with the EveryStep Web Recorder
  • Test compatibility on 40+ desktop/mobile browsers and devices
  • Test Virtually Anything Rendered in a Browser - Flash, Silverlight, Java, HTML5, PHP, Ruby, and more
  • Conduct dynamic API testing on virtually any type of system or infrastructure
  • Generate virtual users from 13+ globally distributed cloud locations
  • Gain insights into performance metrics and reporting essential for capacity planning

4) Gatling

Gatling is an open-source load and performance management tool. It is

designed to treat your performance tests as production code. It comes with the excellent support of the HTTP protocol.

Features:

  • Simulating a large number of users with complex behaviors
  • Helps you to script your testing scenarios and automate your tests
  • Collecting and aggregating all the requests' and response times
  • Analyse and Investigate issues in your Application

Download link: https://gatling.io/

5) Locust

Locust is an open source load testing tool. It helps you to define user behavior with Python code and connect your system with millions of simultaneous users.

Features:

  • Define user behavior in code
  • Write user test scenarios in plain-old Python
  • It can be used to test all type of systems
  • Offers Web-based UI

Download link: https://locust.io/

6) Load runner

Loadrunner from Micro Focus is a widely used Load Testing tool. It offers a user-friendly monitoring and analysis interface with colored charts and graphics.

Features:

  • Supports continuous testing
  • LoadRunner can effectively work on several enterprise environments
  • It is possible to run multiple protocol script with Loadrunner
  • Integration with various development tools like Visual Studio, Jenkins, Selenium, etc.

Download link: https://software.microfocus.com/en-us/products/loadrunner-load-testing/overview

7) Tsung

Tsung is a distributed load testing written in the Erlang language, and it is available under the GPL license.

Features:

  • Tsung allow to simulate up to 50,000 simultaneous users per physical computer
  • Helps developers to write complex scripts
  • Allows developers to monitor the target server
  • Tsung is protocol independent so you can test XMPP, HTTP, SOAP, and PostgreSQL servers.

Download link: http://tsung.erlang-projects.org/

8) FunkLoad

FunkLoad is a load and functional testing tool, written in Python. It allows you to perform functional testing of web projects and allows to conduct regression testing.

Features:

  • Truly emulates a web browser with the help of enhanced Richard Jones' web unit
  • Offers cookies, referrer and HTTP support
  • Allows file upload and multipart/form-data submission
  • Offers advanced test runner with multiple command-line options

Download link: https://github.com/nuxeo/FunkLoad

9) Loader.io

Loader.io is a free load testing tool which allows you to check the performance of your web-apps & API.

Features

  • Easy to use and understand web-based interface
  • Fast processing of Data visualization
  • No installation required

Download link: https://loader.io/

10) Blazemeter

Blazemeter is a testing platform for developers. It helps you to run highly scalable, open source-based tests for all types of web and mobile apps.

Features

  • Simulate thousands or millions of virtual users
  • Integrate BlazeMeter with other Continuous Integration servers like Jenkins, Bamboo, Travis, etc.
  • Real-time Reporting and Comprehensive Analytics

Download link: https://www.blazemeter.com/

 

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