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Codeception PHP Testing Framework is designed to work just out of the box. This means its installation requires minimal steps and no external dependencies preinstalled (except PHP, of course). Only one configuration step should be taken and you are ready to test your web application from an eye of actual user.

Capybara is a library written in the Ruby programming language which makes it easy to simulate how a user interacts with an application. Capybara can talk with many different drivers which execute tests through the same clean and simple interface. You can seamlessly choose between Selenium, Webkit or pure Ruby drivers. Tackle the asynchronous web with Capybara's powerful synchronization features.
Capybara automatically waits for your content to appear on the page, you never have to issue any manual sleeps.

TESSY performs automated dynamic module/unit and integration testing of embedded software and determines the code coverage along the way. This kind of test is required for certifications according to standards such as DO-178B, IEC 61508 or ISO 26262.
The Classification Tree Editor (CTE) provides one method of systematically specifying test cases. This use of the Classification Tree Method is a unique feature of TESSY.
For programs written in the C programming language, a unit is a function in the sense of C. To start unit testing with TESSY, you simply browse for the C source module containing the function to test. TESSY parses this module and lists the C functions in it. You can select the function you want to test.