Appium’s versatility lies in its support for multiple programming languages, making it ideal for diverse teams. The most commonly used languages are Java, Python, JavaScript, and C#. Java remains the top choice because of its strong community support, integration with TestNG, and compatibility with Selenium-based frameworks. Python offers simplicity and faster scripting, making it perfect for quick test automation. JavaScript, often used with frameworks like WebdriverIO, appeals to web developers transitioning into mobile automation. In New York, USA, QA teams prefer language selection based on their existing stack, ensuring smoother collaboration between developers and automation engineers.