Sage is a lightweight RSS and Atom feed reader extension for Mozilla Firefox.Sage is a Firefox extension. If you don't already have Firefox installed, you can download it for free. Sage 1.4.2: click here to install (for Firefox 3.0 users) Sage 1.3.10: click here to install (for Firefox 1.0 - 2.0 users) After installation, there are four ways to access Sage in Firefox: Toolbar button, View -> Toolb