Some very old versions of news software. Might even work with RISC OS 2.

easymail.spk   V0.4, offline mail and news reader (Usenet and ARCbbs)
readnews010.spk  read usenet-news with rupc 
readnews021d.spk new version
readnews.spk   V0.30, powerful newsreader with scripting and filter
               facility
rnfilters.spk  some predefined filtering scripts for readnews