https://jmeter.apache.org/

The Apache JMeter™ application is open source software, a 100% pure Java application designed to load test functional behavior and measure performance. It was originally designed for testing Web Applications but has since expanded to other test functions. Apache JMeter may be used to test performance both on static and dynamic resources, Web dynamic applications. It can be used to simulate a heavy load on a server, group of servers, network or object to test its strength or to analyze overall performance under different load types.


https://software.microfocus.com/en-us/products/unified-functional-automated-testing/overview

United Functional Testing (UFT) provides real device testing on top mobile platforms (iOS, Android, and Windows), across top browsers (Chrome, Firefox, Internet Explorer, and Safari), and a wide range of technologies. UFT is engineered to facilitate distributed test execution of multiple tests simultaneously. This is core to the speed and execution of test automation for a testing center of excellence (TCoE). API and GUI tests are displayed on a graphical canvas where testers can efficiently manage actions, change test order, run and debug tests, and manage parameters.


https://www.bugzilla.org/about/

Bugzilla is a “Defect Tracking System” or “Bug-Tracking System”. Defect Tracking Systems allow individual or groups of developers to keep track of outstanding bugs in their product effectively. Bugzilla has many features its counterparts lack. Consequently, Bugzilla has quickly become a favorite of thousands of organizations across the globe. Bugzilla can help you get a handle on the software development process. Successful projects often are the result of successful organization and communication. Bugzilla is a powerful tool that will help your team get organized and communicate effectively.


https://www.mantisbt.org/

MantisBT is an open source issue tracker that provides a delicate balance between simplicity and power. Users can get started in minutes and start managing their projects while collaborating with their teammates and clients effectively. Once you start using it, you will never go back!


https://www.atlassian.com/software/jira

Not many tools, one tool. Jira Software is built for every member of your software team to plan, track, and release great software.


https://testlink.org/

Test Link is one of the very few open source test management tools available for use in the market. It is a web- based tool with typical features like, requirement management, test case creation and maintenance, test runs, tracking bugs, reports, integration with common issue trackers etc.


https://www.seleniumhq.org/

Selenium automates browsers. That’s it! What you do with that power is entirely up to you. Primarily, it is for automating web applications for testing purposes, but is certainly not limited to just that. Boring web-based administration tasks can (and should!) be automated as well. Selenium has the support of some of the largest browser vendors who have taken (or are taking) steps to make Selenium a native part of their browser. It is also the core technology in countless other browser automation tools, APIs and frameworks.


https://rest-assured.io/

Testing and validating REST services in Java is harder than in dynamic languages such as Ruby and Groovy. REST Assured brings the simplicity of using these languages into the Java domain.