用FeedDemon,可以同步RSS.同类rss阅读软件中最好的. 现在已经免费了. Why Use a Desktop RSS Reader? [zz] |||(12)|2008-1-11 7:29|Nick Bradbury Among the many responses to yesterday's announcement about FeedDemon being f ree, I spotted a number of people asking why anyone would use a desktop RSS reader. These comments generally focused on two points: Web-based readers are also free, and unlike desktop apps, you can access the m from anywhere Desktop readers have to constantly retrieve feeds, causing unnecessary bandw idth burden on the local client as well as the sites they're downloading fro m Both points are easily dismissed by the fact that NewsGator's RSS readers of fer synchronization. You can read your feeds in any of them - including our free web-based RSS reader, our free iPhone RSS reader, and our free mobile RSS reader - and have your subscriptions and read items automatically synchr onized. So, not only can you access them anywhere, you can access them usin g software that takes advantage of the platform you’re using. And synchronization means that our desktop readers don't retrieve feeds from their source sites. Instead, they're downloaded through NewsGator's synchr onization engine, which makes feed retrieval exceptionally fast. Unlike non -synched desktop aggregators, our synched readers don't have to download eve ry single feed to see if something's new. Instead, every few minutes they q uery our service to find out whether any of the user's feeds have new conten t, and if so, they then request the new content (and only the new content) f rom just those feeds. Those points aside, there are a number of reasons why many people prefer des ktop RSS readers (so much so that they were willing to pay for a desktop rea der like FeedDemon despite free web-based alternatives). Long-time FeedDemon user Amit Agarwal did a nice job highlighting some of these reasons in his blog earlier this week, but here are few more: Most web-based readers (NewsGator's being an exception) can't subscribe to s ecure feeds. I don't know about you, but that's a show-stopper for me - I h ave a number of password-protected feeds that I absolutely have to keep trac k of. Web-based readers can't access "behind-the-firewall" feeds. For example, we have an internal server which runs FogBugz, and I'm subscribed to several F ogBugz feeds which alert me to problem reports and inquiries regarding my so ftware. I can't add these critically important feeds to a web-based reader. Most web-based readers offer no offline support, and even when they do, offl ine reading is still far better in FeedDemon (this screencast shows why). F eedDemon doesn't just download your articles so you can read them offline - it can also prefetch the images they contain and the pages they link to, ena bling you to browse the web without an Internet connection. Your web-based reader can't do that. This is one of those features that you don't think you 'll need - until you do. Many desktop readers are full-fledged web browsers, complete with access to your favorites, tabbed browsing, etc. In fact, FeedDemon is my web browser - I rarely use an external browser anymore. If you haven't used a browser t hat's also a powerful RSS reader, you're missing out. If you live in Microsoft Outlook, you can use an RSS reader like NewsGator I nbox which integrates with Outlook, complete with flagging, indexing, filter ing, archiving, and all the other features Outlook power-uses rely on. Desktop readers have access to local resources, enabling a slew of features that aren't available in web-based readers. For example, desktop readers ca n integrate with your favorite blogging client, or download podcasts and cop y them to your iPod or WMP device. NetNewsWire even integrates with iPhoto, Twitterrific, Mail, and iCal. Desktop readers give you a choice about which feeds to keep completely priva te. Want your reading habits regarding a subset of your FeedDemon subscript ions kept completely on your local computer? Just put them in a folder that 's not synchronized. And of course, speed is often another benefit. Web app performance has beco me a lot better over the past few years, but we're not at the point where Ja vaScript in the browser can compete with native performance :) Now, I'm not knocking web-based readers - after all, we offer one of our own - but people who choose to use a desktop reader have good reasons for doing so. PS: As I've written before, I think the so-called battle between web and des ktop apps is overblown. It's a hybrid world, not an either-or situation. --

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