Binindex: Binary newsgroup search engine. Allows creation of nzb files.
Binsearch: Binary content search engine. Allows creation of nzb files.
Google Groups: Google's Usenet discussion archive. Entries date back to the early days of Usenet.
NetNews Tracker: Searches newsgroups twice daily for any phrases that you choose, then delivers any hits to you via e-mail.
Newzbin: Hand edited, searchable archive of Usenet binary content.
Newzleech: Searchable archive of Usenet binary content, also provides nfo & user created nzb files.
Newzsearch: Searchable archive of Usenet binary content, also provides nfo files.
ngindex.com: Searchable index of Usenet binary content, also provides nfo files. Subscription service allows nzb files and image gallery.
NZB4U: Subscription based service allows search of Usenet binary content & creation of nzb files.
Paingwin's NNTP Server Checker: Soucre code for an application that searches for usenet servers.
Usenet Address Database: Search for e-mail addresses if you know the name of a person, or the name of the organization that provides their net access. Returns the entries from addresses collected from Usenet postings between July 1991 and February 1996.
USEnet Live!: Searchable archive of Usenet binary content. Includes nfo & nzb search. Updated hourly.
Usenet Newsgroups Activity Statistics: Lists the most popular newsgroups based on articles read or posted, bytes posted, and most significant change in number of articles.
Usenetix: Picture search engine featuring fast thumbnails, automatic grouping by series, and single-click batch download. Subscription service.