Sage is a lightweight RSS and Atom feed aggregator extension for Mozilla Firefox.

• Reads RSS (2.0, 1.0, 0.9x) and Atom feeds
• Feed Discovery
• Integrates with Firefoxs bookmark system
• Imports and exports OPML feed lists
• Newspaper feed rendering customizable via style sheets
• Support for the following locales: Argentine Spanish, Catalan, Chinese, Czech, Danish, Dutch, Finnish, French, German, Greek, Hungarian, Italian, Japanese, Korean, Polish, Portuguese, Russian, Serbian, Slovenian, Spanish, and Swedish