groupsearch.aacity.net: Groupsearch.Aacity.Net - Frequently Asked Questions
Checks for availability of specific newsgroups at certain News Service Providers (NSPs).
usenetstats.com: Usenetstats.Com - Usenet Newsgroups Activity Statistics
Usenet Newsgroups Statistics. Find your favorite alt.binaries newsgroups fast.
usenet-addresses.mit.edu: Usenet Addresses Service (Mit)
This service allows you to search for e-mail addresses if you know the name of a person, or the name of the organization that provides their net access.
Add Site or Add URL to Submit Site to the Search Directory