You can download demonsaw 2.7.1 for Mac from our software library for free. The actual developer of this free software for Mac is Demonsaw, LLC. The application lies within Security Tools, more precisely Personal Security.
From the developer:
Demonsaw is a secure and anonymous information sharing application that makes security simple and gives you back control of your data. This app uses multiple layers of asymmetric and symmetric encryption. All keys are created at runtime and never shared.
You may want to check out more software for Mac, such as Kidwidget, McAlarm or Drop Secure Professional, which might be similar to demonsaw.