Nutch

searchdnabot/Nutch-1.0 (SearchDNA bot; http://searchenginedna.com; crawl at searchenginedna dot com)

vik-robot/Nutch-1.0 (vikspider; http://vik.com; chenlibiti@163.com)

Infoaxe./Nutch-0.9

noopsis Spider/Nutch-1.1 (noopsis crawler)

Googlebot/Nutch-1.0 (Prototype; http://en.wikipedia.org/wiki/Web_crawler; donotreply at prototype dot com)

Domnutch-Bot/Nutch-1.0 (Domnutch; http://www.Nutch.de/)

apache.org/Nutch-0.9 (apache; http://www.apache.org; users@apache.org)

Nutch/Nutch-1.0-dev (A Nutch-based crawler.; http://lucene.apache.org/nutch/bot.html; nutch-agent AT lucene.apache.org)

Test.Buzzz/Nutch-0.8.1 (Test.Buzz; http://test.com; test@test.com)

GeoHasher/Nutch-1.0 (GeoHasher Web Search Engine; geohasher.gotdns.org; geo_hasher at yahoo * com)