Yes, that's right, for (1) crawling and general index building, (2) scraping and data extraction, and (3) testing or web automation.

Some might be wondering, why this project vs other Selenium web drivers. Answer to that is: https://www.reddit.com/r/java/comments/40qa0q/a_purejava_sel...

The primary difference from wget and curl is the ability to fully render pages, sub-resources, CSS, and JS. Also allows interaction such as clicks and keyboard events.