This tool runs on Java programming language. It’s also an open-source framework used for testing activities. High-quality tests can be written in JUnit. Even beginners with a little bit of interest in learning can use JUnit easily. It can easily integrate with many other tools via plugin infrastructure. Through automation, JUnit can check test results and provide quick feedback. For easier maintenance, test cases can be organized into bigger test suites.

Mockito is considered as the best mocking framework for Java. Mock creation, stubbing and verification can be done. Tests can be easily written in mockito. With an easy-to-use API, Mockito can be easily integrated with other tools. The reports are documented in a concise manner so that a user can easily understand.

Clear and logical assertions can be easily and effectively written by using AssertJ. By using AssertJ, test code becomes easier to use and maintain because it is easy to read. Test cases can be easily translated into executable specifications. Though it supports basic assertions, but, if extra modules are added, then advanced assertions can also be used.

Pytest is considered to be one of the best testing tools for python language. Right from writing small tests all the way up to testing complex applications and libraries, Pytest can prove to be really effective. Tests can run in parallel, thereby reducing the testing time significantly. Test files and test features are automatically defined.

FitNesse is a wiki web server. There is no ownership for the base of the code. It is considered to be highly adaptable and can prove to be effective for performing Web/GUI tests. It also supports almost all major languages.

By using this tool, multiple languages can be used for diverse development projects. There is a huge library allocated for documentation and video tutorials. It has many support options available for fixing a number of issues.

This tool is considered to be one of the best options for performing integration testing. Applications that operate on real browsers are tested by performing several tests. WebDriver JS is the platform on which protractor is built and then it utilizes native events and browser unique drivers to work with applications. Angular strategies are supported by protractor, which can, in turn, perform tests on angular elements with ease.

JavaScript codes are tested using Jasmine and no DOM is required. Tests can be easily written as it comes with a clean syntax. There are no external dependencies. It is able to easily run on different browsers and can perform node tests using a similar framework.

It is basically a chrome extension that makes specific users to easily run tests by using the extension. It has an integrated package, which in turn makes the testing process easier and faster. Laravel is available for free.