AltaVista
Also searches newsgroups, just not so far back as Deja.com. Change the setting from "the Web" to "Usenet."

AltaVista Advanced
Search using AltaVista's powerful yet simple search syntax.

AltaVista Advanced Help
Take a minute to read the rules for AltaVista advanced searches for Usenet.

ArchiePlex
Another FTP search tool. Locates files for anonymous FTP.

Emily Postnews
A wonderful send-up, in Miss Manners style, of the dumb things we do on Usenet (and E-mail lists).

FTP search
An aggregator of engines to search for files on anonymous FTP sites (those that let any guest log in).

Google groups
Formerly known as Deja News, the best archiver of Usenet postings (messages), with about 15,000 newsgroups back to the beginning.

Oxford FAQs search
A useful compendium of frequently asked questions from newsgroups. What are FAQs? They're the core knowledge that a group is tired of explaining to new members and visitors. Some FAQs are detailed, some shoddy. Can lead you to an authority on many subject

Reference.COM Search
Another good archive of newsgroups (and some mailing lists).

RiceInfo
The Yahoo of gopherspace. A catalog by subject of gopher sites.

Search for Groups
Allows searching for groups by keyword in description of the group. Will not retrieve messages.

Tile.Net
Does a great job of profiling newsgroups. (And mailing lists, too.) Search the group description by keyword. Will tell you the number of actual readers of a group, the number of messages per day, the percentage of Internet sites that receive this newsgrou

Topica
Known for searching mailing lists (often called listservs), but searches descriptions of newsgroups, too.

Usenet Addresses Database
Search for E-mail addresses if you know the name of the person, or the name of their organization. Addresses are collected from Usenet postings, so you'll find only people who have, um, posted to Usenet.

Usenet Etiquette
Rules of the road.

Usenet FAQs
Another pretty complete list of frequently asked questions from newsgroups.

Usenet FAQs in Hypertext
Yet another way to search FAQs.

Usenet Info Center
A comprehensive source of info on Usenet: what is it, how it works, how to use it, etc. Read "Help with Usenet."

Veronica
The keyword search tool for gopher. Limited because it searches titles of documents, not the full text.