Freeware newsreader for Windows 3.x/9x/NT that "should" also work in Win2K, XP, OS/2. Built to support simultaneous use of multiple servers. http://members.tripod.com/~MikeRead/allnews.htm
Web-based, cross-platform client designed for browsing binary newsgroups. Supports multiple servers and multiple users. Install on a web server with database and Perl access. Also requires supporting modules. Licensed under the GPL. http://www.tommy.vuurwerk.nl
A free Java application which automatically downloads binary articles from newsgroups. Supports automatic re-assembly of files split among articles too. http://www.geocities.com/newsgreed
Threading and binary capabilities. Features a global search to find music, pictures, and movies in all newsgroups. Supports Mac OS X, Windows, Linux, and other platforms. http://www.amnesianewsreader.com