Usenet NNTP news server for most flavours of Unix, as well as Win9x/NT. Handles full newsfeeds while conserving system resources. Can use Suck feed option. Anti-spam features. Academic licensing also available.
Hosts several Usenet server packages including Leafnode, C news, Diablo and INN, and also very old applications like A news and B news for historical purposes.
Free newsserver and mailserver software for single computers and small family or company networks. Developed from the same source as Hamster Classic. Source available. [Windows]
Offering several products for discussion software: Cyclone News Router, Typhoon News Server and Twister Discussion Server. All products run on a Unix/Linux/Solaris type of operating system.
Complete open source Usenet system. De facto standard for handling news routing, news spool and serving the spool to customers. Available for various versions of Unix from the Internet Software Consortium. How-To's and mailing lists.
A subscription service to measure how well your newsserver is receiving articles. Benchmark against other servers to determine whether you are receiving and delivering "full feed" Usenet content in the groups you carry.
Usenet News cache server for Unix. Distributed under the GNU Public license. Reduces required network bandwidth of the news server. Multiplexes between different news servers and allows offline news reading.
Open source, standalone local news server for private newsgroup serving on a single server. It does not interface with other news servers and cannot manage distributed news feeds.