Pyris is a completely customizable blogging tool with RSS, a photo album, and much more! It is written in PHP and generates valid XHTML 1.0 Strict pages. It also archives old entries to XML files by month.
rss2imap is a tool which gets RSS (RDF Site Summary) from web and delivers to the IMAP server as an e-mail message. it enables you to use IMAP supported MUA as a RSS reader, and to unify mail check and site update check with ONE client.
MagpieRSS is a simple, functional PHP inteface for parsing RSS 1.0 (and earlier versions).
Built on PHP's XML (expat) parser, and with an integrated cache for storing the parsed RSS objects, Magpie is designed by simple, and 'PHP-like' to use.
The project Navigator aims at supporting automated gathering of dynamic information from third party web sites, using their web interface to post queries and to gather replies. Navigator is written in OS-independent java language.
Live-bookmarks Manager is a Perl CGI script that helps you manage your live-bookmarks / RSS feeds through an easy to use web-interface. Currently it can add and delete bookmarks to/from an RSS feed.
POPsearch is a desktop search engine that's designed to help you find
information on your computer. This information can then be accessed remotely with RSS feeds, email feeds, or from any computer that has a web browser.
Search though multiple (configurable) information sources at once: results are presented side-by-side. Intended to support all information sources that implement OpenSearch, and more.