Poltergeist vs TestNG: What are the differences?
Poltergeist: A PhantomJS driver for Capybara. Poltergeist is a driver for Capybara. It allows you to run your Capybara tests on a headless WebKit browser, provided by PhantomJS; TestNG: A testing framework inspired from JUnit and NUnit. It is a testing framework designed to simplify a broad range of testing needs, it covers all categories of tests: unit, functional, end-to-end, integration, etc.Run your tests in arbitrarily big thread pools with various policies available (all methods in their own thread, one thread per test class, etc.
Poltergeist and TestNG belong to "Testing Frameworks" category of the tech stack.
Poltergeist is an open source tool with 2.53K GitHub stars and 436 GitHub forks. Here's a link to Poltergeist's open source repository on GitHub.