The Free On-line Dictionary of Computing (30 December 2018):

WebCrawler

    A free web search engine developed by Brian Pinkerton at
   the University of Washington and now moved to America Online,
   Inc.  WebCrawler collects URLs by searching the Internet and
   allows users to perform keyword searches through a web browser.

   (http://webcrawler.com/).

   (1995-11-28)