LitReviewer is a Python package (collection of few Python modules) that helps researchers perform crawling, scraping, collecting (corpus), analysing web based unstructured texual data. Read companion monograph available from https://papers.ssrn.com/sol3/papers.cfm?abstract_id=3856547 for more details.
Video demonstrations
https://www.youtube.com/watch?v=y7l3CD0jYyE