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Mailplane rocks. It's more of an SSB than a pure native app like Twitter for Mac, but it has a lot of nice little integration points with Mac OS X.

It's not cheap, but it's well worth the price (its also due for a paid upgrade soon, IMO, as I have not paid anything beyond the first version three years ago).

Sparrow (http://sparrowmailapp.com). Its quite literally, a godsend.

Yeah but $10? Where did try before you buy go?

That's an unfortunate side-effect of the Mac app store. It's too bad, because functional demos was one of the nice things about the Mac software ecosystem.

I hope demos are a feature they're working on.

There's Sparrow Lite, an ad-supported free version that's set to release in the Mac App Store but hasn't been approved yet.

Seems they're working on a non-Mac App Store version too. http://blog.sparrowmailapp.com/post/3197243085/sparrow-1-0-i...

Give it a few days, that was literally only released last night, and they're still waiting for the ad supported version to be approved. Up until then it was in open beta.

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