NetNews Tracker
Computers, Usenet, Search - NetNews Tracker. Free service that searches Usenet newsgroups daily for any phrases that you choose, then delivers any new hits to you via e-mail.
http://www.netnewstracker.com
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Computers, Usenet, Search - Prolix. Collects messages from several computing related newsgroups and stores them in a searchable database.
http://www.prolix.be
Usenetstats.com - Usenet Newsgroups Activity Statistics
Usenet Newsgroups Statistics. Find your favorite alt.binaries newsgroups fast.
http://usenetstats.com