Grr is a 3-pane RSS Reader as most of RSS Readers out there. It is currently hosted in Étoilé Project. If you already download Étoilé as previously suggested, you can install RSSKit and Grr in Etoile/Frameworks/RSSKit and Etoile/Services/User/Grr respectively.
Grr can parse various formats of RSS and Atom. You can subscribe feeds and organize them with categories. RSS can be downloaded with proxy and searched. It can parse limited HTML with reasonable result. That is pretty much you can expect from a standard RSS Reader.
NewsStand is another RSS reader in Étoilé Project. It is ported from Vienna 2 without fancy user interface and WebKit. You can find it in Etoile/Services/User/NewsStand. It uses the same XML/HTML parser as StepChat. Therefore, you may want to install StepChat first, or at least ETXML inside. It also depends on curl to parse various date format.
It works more or less the same as Grr. Besides, it allows you to import and export your feeds in OPML format. Smart folder works, so you have a few default ones like 'Unread Articles'. But the interface for editing smart folder is not done yet.
Frankly, both Grr and NewsStand suffer from stability problems with different reasons. One is written from scratch and has to fight with malformatted RSS. The other one is ported from a Cocoa application and the difference between Cocoa and GNUstep need to be ironed out. It would be nice to have a stable RSS reader for GNUstep.
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