What will be the biggest automation testing tools in 2019?

automation testing tools were popular in the software testing industry around 2019. Keep in mind that tool popularity can change over time based on advancements, trends, and community adoption. Here are some automation testing tools that were widely used around that time:

1. Selenium:

   • Selenium is an open-source testing framework for web applications. It supports multiple programming languages like Java, Python, C#, and more. Selenium WebDriver is particularly popular for browser automation.

2. Appium:

   • Appium is an open-source tool for automating mobile applications on Android and iOS platforms. It allows testing of native, hybrid, and mobile web applications.

3. JUnit and TestNG:

   • JUnit and TestNG are popular testing frameworks for Java. They are widely used for unit testing and are integrated into various automation testing processes.

4. Cucumber:

   • Cucumber is a tool for behavior-driven development (BDD) that supports the execution of plain-text functional descriptions as automated tests. It's often used with languages like Java and Ruby.

5. Jenkins:

   • Jenkins is a popular open-source automation server that supports building, deploying, and automating any project. It is frequently used for continuous integration and continuous delivery (CI/CD) processes.

6. Robot Framework:

   • Robot Framework is an open-source, keyword-driven test automation framework that supports both web and mobile application testing. It uses a simple, tabular syntax.

7. TestComplete:

   • TestComplete is a commercial tool for automated testing of web, mobile, and desktop applications. It supports scripting in languages like JavaScript, Python, and VBScript.

8. Katalon Studio:

   • Katalon Studio is a free and comprehensive automation testing tool for web, mobile, and API testing. It is built on top of Selenium and supports both scripting and a no-code automation approach.

9. SoapUI:

   • SoapUI is a widely used open-source tool for testing SOAP and REST web services. It allows the creation and execution of automated tests for API testing.

10. LoadRunner:

    • LoadRunner is a performance testing tool that is used to measure the performance and load of applications. It is often employed for stress testing and performance testing of web applications.

Please note that the popularity and usage of tools may have evolved since 2019, and new tools may have emerged. It's recommended to check the latest trends and community discussions to identify the current leading automation testing tools.