At SearchDiscuss.com you can find a large resource of chats and forums, discussion sites, message boards, mailing lists, internet relay chat and much more.
My-Newsgroups.com
Offers usenet newsgroup access via a web-to-news gateway.
Usenet Replayer
Provides a set of tools to communicate via Usenet. Also offers a searchable archive of binaries.
Randori News
Provides USENET newsgroup services with instant access to uncensored, spam-filtered newsgroups. Also offers outsourcing services for ISPs with MP3, multimedia, and binary retention.
newsranger.com
Provides access to all newsgroups. Allow users to read news, post articles, and share ideas.
Webnews-Exchange
Free web based news server - groups include alt.*, comp.*, and alt.binaries.*
