Poltergeist - A PhantomJS driver for Capybara Poltergeist is a driver for Capybara. It allows you to run your Capybara tests on a headless PhantomJS browser. If you would like to run your tests on headless Chrome there's another project Cuprite claims to be compatible with Poltergeist. If you're viewing this at https://github.com/teampoltergeist/poltergeist, you're reading the documentation for th