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Comment by wmf | Hacker News Reader

Atlas must appear pretty killer to people who haven't seen Flex Builder.

Flex is very nice, but Flex uses a flash plugin as it's runtime. A flex application is compiled binary sent to the browser - doesn't sound very dynamic or open web to me.

Cappucino uses good old XHTML and javascript. If you look at browser advancements in Javascript just in the past few months alone, 2 years from now technologies like flash may only be useful for very niche circumstances.

Cappucino uses good old XHTML and javascript.

Does it really? When I view source on http://280slides.com/Editor/ I don't see much HTML. Does Atlas generate HTML or something else? In what ways does Cappucino participate in the open Web?

View source will only show the state of the HTML before Javascript renders the rest of the HTML. Check out the application using firebug (firefox plugin) and look at the HTML that is actually being rendered. Lots of div's for the layout of course and a few canvas elements (i think those are for the slide rendering).

While it may not be the most readable XHTML in the world - at least it doesn't use a plugin to do that work.

I don't see any HTML and precious little "open web" in Flash, Mr hey-hooray-for-Flex-Builder.

Yeah, that's my point; they look pretty equal to me.

Yes, it does really use HTML and JavaScript. Cappuccino "participates" in the open web as much as any other application written on top of open web technologies.

Isn't objective-J translated to javascript by a sort of compiler? in that case you can't easily re-use pieces of code and use them in your javascript application.

Obj-J is run by, yes, a JavaScript file! It can be reused anywhere that ObjectiveJ.js will run.

The power of Flex is in MXML + Actionscript, not in the sad excuse for an editor that is Flex Builder.

It's Eclipse.

Exactly.

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