…Solr or Elasticsearch . Grub was an open source distributed search crawler that Wikia Search used to crawl the web. Heritrix is the Internet Archive 's archival-quality crawler, designed for archiving periodic snapshots of a large portion of the Web. It was written in Java . ht:/…

Wget - Wikipedia Jump to content From Wikipedia, the free encyclopedia Computer command line program This article needs additional citations for verification Please help improve this article by adding citations to reliable sources . Unsourced material may be challenged and remove…