Cucumber might be a bit more popular than Harp. We know about 1 link to it since March 2021 and only 1 link to Harp. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.
Sounds like what you want is a static site generator. I've used Harp for a long time but I'm not sure it's really maintained these days, so you might also look at 11ty. Source: over 1 year ago
Ruby/Rails enjoy some really nice and powerful Behavior Driven Design/Development testing frameworks like Cucumber and RSpec. Source: about 2 years ago
AngularJS - AngularJS lets you extend HTML vocabulary for your application. The resulting environment is extraordinarily expressive, readable, and quick to develop.
Selenium - Selenium automates browsers. That's it! What you do with that power is entirely up to you. Primarily, it is for automating web applications for testing purposes, but is certainly not limited to just that.
jQuery - The Write Less, Do More, JavaScript Library.
Robot framework - Robot Framework is a generic test automation framework for acceptance testing and acceptance...
Metalsmith - An extremely simple, pluggable static site generator.
JUnit - JUnit is a simple framework to write repeatable tests.