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/

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

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

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/

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- Apparently no longer maintained, but of interest for historical reasons.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/

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