Sage is a lightweight RSS and Atom feed reader extension for Mozilla Firefox.
It’s got a lot of what you need and not much of what you don’t.

Sage has a new Home !

On June 27th, we have successfully moved Sage to its new home !
Congrats to Sebastien for setting-up our new server!

What does Sage do

  • Reads RSS (2.0, 1.0, 0.9x) and Atom feeds
  • Newspaper feed rendering customizable via style sheets
  • Feed Discovery
  • Integrates with Firefox’s bookmark system
  • Imports and exports OPML feed lists
  • Support for a number of locales in 10+ languages

What's New

  • Sage 1.4.15 Released - May 6th, 2013
  • Sage 1.4.14 Released - April 1st, 2013
  • Sage 1.4.13 Released - October 19th, 2012
  • Sage 1.4.12 Released - June 17th, 2011

Install now »

Our Dev Team

  • Mike Lorentz (lead dev)
  • Julian Esteban (core rss engine)
  • Raphaël Soudan (UI)
  • Patrick Armitage (Locales)
  • Sebastien Palix (Website)


Click on each picture to see the full size version.

  • Sage home page
  • Options Dialog
  • Feed Discovery

About Sage

Sage is one of the oldest RSS feed readers for Firefox, started in 2004.
Sage is build on top of Python, the Gecko SDK and Ant, and most of its code is written in Javascript.
If you are interested to have a look at the source code, you can go to our repository at Github.