While Fiddler may not be considered a load testing solution it does many things that allow you to debug website issues, and with one of its many extensions, you can accomplish even more. Watcher is a security add-in for Fiddler which will enable you to get some security results quickly. BlackWidow is a web crawler that gives you the functionality to point it towards a web address and then be able to drill down on results. Todd actually has a session during a past PerfGuild Online Conference where he gives a demo of this approach.
It was developed to make stress testing easy and to provide a platform that allows you to create, execute, and monitor tests. The Grinder is a Java-based framework. It provides you with easy-to-run and -create distributed testing solutions using many load generator machines to capture your end-users response times.
So you don't have to worry about any virtual users restrictions. Gatling is a stress tool built on Scala , Akka , and Netty. You can also use k6 to start including performance testing into your continuous integration pipelines.
Tsung is an open-source, multi-protocol distributed load testing tool. It currently has 2. Siege is a command-line HTTP load testing and benchmarking utility. It was designed to help developers measure their code under stress. It currently has 4k stars on GitHub. Developed by the Chicago Tribune, this is probably the coolest-sounding performance testing tools on this list.
Bees with Machine Guns describes itself as a utility for arming creating many bees micro Amazon EC2 instances to attack load test targets web applications.
It currently has 6k stars on GitHub. For enterprise-wide performance testing tools, LoadRunner tends to be one of the most common but many of these open-source tools can get you most of the functionality you need. Also, most of these tools protocols can be used for both performance testing web application and performance testing web services.
Fortio is a cool load testing library, command-line tool, advanced echo server and web UI in go golang. This tool allows to specify a set query-per-second load and record latency histograms and other useful stats. With most modern applications using javascript heavy front-ends the needs for client-side performance measurements have never been greater.
You can use Puppeteer WebPerf to collect web performance stats like a trace for a page load, grab a dev tools trace with screenshots, get runtime performance metrics, and a bunch more.
Also, check out my complete front-end performance testing guide for more info. Flood created this open-source solution to help specifically with mimicking user behaviors using real browser load testing.
It allows you to record test scripts via point and click, specify a maximum number of users, and validate the test scripts before running the load test. Reports include easy-to-read graphs that show a variety of performance metrics.
Taurus is meant to work on its own or in conjunction with other open source load testing tools, adding to their functionality. Reports are displayed within the application. With Locust , you code test scripts in Python, and the application sends a swarm of virtual users to your website or other system to carry out those test scripts.
Locust allows you to create hundreds of thousands of virtual users. It offers a web-based UI that displays load test results in real time. It requires you to write scripts in Jython or Clojure. Gatling uses a DSL domain-specific language for test scripting. The report it generates is colorful and dynamic.
It works with any browser or operating system. Multi-Mechanize performs load tests by running concurrent Python scripts. It can be used to load test any remote API accessible from Python, but is most often used to test web performance and scalability.
Reports include a variety of graphs. Siege is another load testing tool aimed at developers. It can be run with multiple IP addresses from the same machine, better mimicking real-world traffic. Is there even a difference? By making use of open source test management tools, you can easily maintain and upgrade your software regularly. Open source automation testing tools are quite popular as their source code is available for free use and designers can build additions upon the basic framework.
With the help of open source performance testing, you can examine your software or application at different stages and for different parameters such as load, regression, etc. Not only this, open source testing tools can be used for testing of mobile and desktop applications as well in addition to software. Licenses of open source test automation tools can be purchased for free or at a low cost and these tools require minimum hardware investment.
Several online communities exist for open source software testing tool which provide utilities and support. These tools also allow remote teams to collaborate on a project.
Since a lot of developers contribute to the framework of open source testing tools, it is easier to identify any bugs in these tools which may harm your system. You can only use the functionalities provided by that vendor and security patches also take a long time to be released. In the following section,you can read about top open source testing tools which are suitable for web, mobile and desktop applications. Selenium open source test management tool is compatible with different browsers, programming languages and operating systems.
With Selenium, you can automate administrative tasks which are primarily based on the web. With Selenium, you get access to libraries containing different languages and commands from Selenium API.
Selenium offers automation of web applications by supporting testing frameworks such as FluentLenium, QAF, Capybara, etc. This is used for quick bug identification without having to learn a scripting language. Selenium IDE can be added as a browser extension.
Selenium grid provides you the option of performing software testing on several machines and manage them from a central point. Developed with the scope to initially test web application, this open source test automation tool has expanded to testing several more applications.
JMeter can be used for testing of static and dynamic resources as well as web dynamic applications. JMeter uses multithreading framework for simultaneous function sampling across different threads.
JMeter provides caching and offline display of test results. It also allows for replaying those test results. Through Visualization plugins, you can personalize JMeter open source testing tool as per your business need. WatiN is the short form for Web Application testing in. It is an open source testing tool which tests web applications through browsers. WatiN has been written in C , which makes it easier to automate tests by using web browsers.
Robot Framework is an open source software testing tool meant for acceptance test driven and behaviour development. Many software firms also use robot framework for robotic process automation RPA. It is a python-based testing tool suitable for heterogeneous testing environment. Moreover, Robot Framework libraries and tools can be developed as individual projects. Appium Framework works best for mobile apps as well as native and hybrid apps.
This open source testing tool has cross platform functions, i. Carina is an open source performance testing tool which is utilised for testing iOS and android apps as well as web-based applications. It is a Java based testing tool whose framework is built on other open source testing tools such as Appium and Selenium. For mobile based apps, Carina reuses automation code between iOS and android apps upto percent. Testing in Carina is carried out on this template, which dynamically changes arguments based on incoming requests.
Written in Java script, WebDriveIO is an open source load testing tool for mobile applications and browsers.
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