Sites which provide indexing, searching, and/or other tools that allow you to more easily locate an existing Usenet newsgroup.
Usenet newsgroups and Google Group mailing lists classified by topic, language, region and activity.
Apparently no longer maintained, but of interest for historical reasons.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.
Thanks to DMOZ, which built a great web directory for nearly two decades and freely shared it with the web. About us