The anonymity network Tor has long been the paranoid standard for privacy online, and the Tor Browser that runs on it remains the best way to use the web while revealing the least identifying data. Now the non-profit Tor Project has officially released another piece of software that could bring that same level of privacy to instant messaging: a seamless and simple app that both encrypts the content of IMs and also makes it very difficult for an eavesdropper to identify the person sending them.

On Thursday the Tor Project launched its first beta version of Tor Messenger, its long-in-the-works, open source instant messenger client. The app, perhaps more than any other desktop instant messaging program, is designed for both simplicity and privacy by default: It integrates the