Free bottomfeeder software for linux

BottomFeeder is a news aggregator client for RSS and Atom feeds, written in VisualWorks Smalltalk. BottomFeeder runs on x86 Linux (also FreeBSD), PowerPC linux, Sparc Linux, Windows (98/ME/NT/2000/XP), Mac OS8/9, Mac OS X, AIX, SGI Irix, Compaq UNIX, HP-UX, and Solaris.
Main features:
- Full support for CSS, including user defined CSS
- View news in 3 pane or 2 pane modes
- Subscribe to any RSS or Atom format in use
- View items in a summary Newspaper View
- Synchronize 2 or more BottomFeeders via HTTP or file import
- Subscribe to feeds or feedlists
- Supports HTTPS, HTTP Authentication, and HTTP Digest Authentication
- Plugins for blogging, IRC, and MSN Messenger contacts
- Easy to update or upgrade from within BottomFeeder
- Save as many or as few feed items for as long as you want
- Import or Export in common OPML format
- Binary compatible on every platform. No need to recompile
Enhancements:
- The Feedlists folder has been eliminated.
- Importing a feedlist now adds feeds directly to your subscription list.
- The separate "Searches" folder has been eliminated.
- Search feeds are now part of your subscription list, and are marked with a new icon.
- Tabs now open empty and remember their previous state.
- There are many other changes and enhancements.