Gnus
Gnus , or Gnus Network User Services, is a message reader which is part of GNU Emacs. (It also works in XEmacs.) It supports reading and composing both e-mail and news and can also act as an RSS reader, web processor, and directory browser for both local and remote filesystems.
Gnus blurs the distinction between news and e-mail, treating them both as "articles" that come from different sources. News articles are kept separate by group, and e-mail can be split into arbitrary groups, similar to folders in other mail readers. In addition, Gnus is able to use a number of web-based sources as inputs for its groups.
Note that, as with GNU, the g in Gnus is always pronounced.
Features
Some Gnus features:
a range of backends that support any or all of:
- reading email from the local filesystem, or over a network via IMAP or POP3
- reading web pages via an RSS or Atom feed
- treating a directory of files, either local or remote (via FTP or other method) as articles to browse
- reading Usenet News, including the Gmane and Gwene mail-to-news archives of mailing lists