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Gregarius is a web-based RSS/RDF/ATOM feed aggregator, designed to run on your web server, allowing you to access your news sources from wherever you want. It has the following technical specs:

Completely web-based (runs on your web server)

Simple, password-protected, administration and configuration

AJAX powered item tagging

Full-text search

Committed to web standards: renders XHTML/CSS, supports OPML

Gregarius is FREE [...]