Cyberfiber: Newsgroups Listing
   Browse or search this hierarchical topic list of Usenet newsgroups. Does not provide access to newsgroups.
   http://www.cyberfiber.com/

Google Groups' Directory
   Usenet newsgroups and Google Group mailing lists classified by topic, language, region and activity.
   http://groups.google.com/groups/dir

Newsgroups Related to Network Abuse
   List of newsgroups related to network abuse. Contains a description of each newsgroup and a link to its charter. Maintained by Russ Albery.
   http://www.eyrie.org/~eagle/faqs/nana-groups.html

Newsgroups-1
   Categorized lists of usenet groups and Yahoo groups (mailing lists). Links to google groups and Yahoo groups for web-based browsing of the groups.
   http://www.newsgroups-1.com/

Reference to Usenet Newsgroups from Tile.net
   Usenet newsgroups listed by hierarchy, description, and by index. No newsserver access. Certain newsgroups have their own page with statistics and links to FAQs and other group information.
   http://www.tile.net/news/

Usenet Info Center Launch Pad
   Apparently no longer maintained, but of interest for historical reasons. Besides a list of Usenet newsgroups, also contains links to FAQs, newsgroup descriptions, and other Usenet information.
   http://www.ibiblio.org/usenet-i/