a news server allows users to post messages in forums called newsgroups and allows other users to read and rely to those messages. a newsgroup forums are organized according to topic. many open sources software developers use newsgroups to exchange information and coordinate software creating. as with em-amil, a special program, called a newsreader, is used to red newsgroups. here are some examples:

Gnews
Knews
Gnus
Mozilla
Pine