OS X: Whether you're pondering a new desktop email client or you just want an alternative to Thunderbird, Sparrow, our favorite email client for the Mac is available now for $4.99 (50% off) in the Mac app store until Monday July 16th.
The sale price is only available through the Mac App Store, so you won't see it at the Sparrow site, but if you want to see what makes Sparrow such a great client, you can check out all of its features here, or check out our App Directory post about it. Whether you've been thinking about giving Sparrow a try, or you've been using the free Sparrow Lite and considering an upgrade, now is a great time to buy.