firefox-sage | transitional dummy package | Mehr ...
This is a transitional dummy package to ease the migration from the firefox-sage to the new xul-ext-sage package. You can remove it safely.
xul-ext-sage | Lightweight RSS and Atom feed reader for Iceweasel/Firefox | Mehr ...
Sage is a Iceweasel/Firefox extension that reads RSS (2.0, 1.0, 0.9x) and Atom feeds. It integrates with the "Live bookmark" feature of Iceweasel/Firefox. . Sage has highly customizable rendering via the use of style sheets. It also features feed discovery, and RSS search engine integration.