Open Source Software Encrypts Smartphone Communications for Free

RedPhone and TextSecure are promising options for the privacy-minded

I've written before about the promise of encrypted communications for defeating snoopy government officials. But the most promising product seemed to be Silent Circle, which is a bit spendy. Fortunately, somebody who actually knows what he's talking about has reviewed a few alternatives, and he gives another offering a pretty enthusiastic thumbs-up. Even better, it's free.