1.傀儡师：
它是用于自动化 Chrome 的 node.js 库。这个库是开源的，并提供了一个高级 API 来控制 Chrome。 Puppeteer 由 Google 自己开发并在 Chromium 上运行脚本。默认情况下，Chromium 在 Puppeteer 中无头运行，但可以切换到有头 Chromium。
2.Selenium：
它是一个用于测试 Web 应用程序的框架。它是一个可以自动化 Web 浏览器的伞形项目。它支持不同类型的网络浏览器，如 Firefox、Chrome 等Selenium可用于Python、JavaScript 和少数其他语言。 Selenium与 Appium 一起使用时还支持对移动设备的测试。 Puppeteer 和Selenium 的区别：
| S.No. | Puppeteer | Selenium |
|---|---|---|
| 1. | It was developed by Google. | It was originally developed by Jason Huggins in 2004. |
| 2. | It is Node.js library. | It is a web framework for testing web applications. |
| 3. | It works only with Chrome or Chromium and does not support other browsers. | Multiple browser support is given by Selenium. |
| 4. | It was released in 2017. | It was released in 2004. |
| 5. | Puppeteer is faster than Selenium. | Selenium is slower as compared to Puppeteer. |
| 6. | It supports only Node.js. | It supports multiple language like Python, Ruby, Javascript, etc. |
| 7. | No cross platform support is provided. | Cross platform support is provided. |
| 8. | It supports only web automation. | Supports web automation and mobile automation both. |
| 9. | Screen shot can be taken of both PDFs and Images. | No PDFs screenshot support is provided. |