Free and open source encrypted chat for iOS.


Source Code

The source code for all of our projects is hosted on GitHub.


These free and open source libraries may be useful for other developers wishing to develop privacy-enhancing technologies.


OTRKit is an Objective-C wrapper for the OTRv3 encrypted messaging protocol, using libotr. This library was designed for use with ChatSecure, but should theoretically work for Mac OS X as well with some minor tweaking to the build scripts.

Source Code