1.傀儡师：
它是 Google 为 node.js 提供的一个开源库，它提供了一个高级 API，用于通过 DevTools 协议自动化 Chrome。这个库是开源的，并提供了一个高级 API 来管理 Chrome。
2.Protractor：
Protractor测试的主要动机不再仅仅是检查 AngularJS 函数，而是另外为常规 Web 应用程序编写自动回归评估。
Puppeteer 和Protractor 的区别：
| S.No. | Puppeteer | Protractor |
|---|---|---|
| 1. | It is made to support some specific engines only. | It can support different types of browsers. |
| 2. | In this, to test application, there is no need for the image loading process for performing tasks. | In this, testing cannot be done without the image loading process, so it is required. |
| 3. | In this, the developer can count the number of CSS files are used in an application. | In this, the developer cannot check or count the number of CSS files used in an application. |
| 4. | It supports dev tools to develop an application. | It does not support dev tools to develop an app. |
| 5. | In this, Emulation is an easy task as compared to Protractor. | In this, Emulation is quite complex as compared to Puppeteer. |
| 6. | It can be used to check the amount of time to load any page. | It cannot be used to check the amount of time to load any page. |
| 7. | It works faster as compared to Protractor. | It works slower as compared to Puppeteer. |