demonsaw 2.7.1 for Mac could be downloaded from the developer's website when we last checked. We cannot confirm if there is a free download of this app available.
Please check the Mac app with an antivirus before launch as it is downloaded from the developer's website, and we cannot ensure that it is safe. The program belongs to Security Tools. The actual developer of this free software for Mac is Demonsaw, LLC.
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 Handy Safe, which might be similar to demonsaw.