Download of StegoSecOsX 1.1 for Mac was on the developer's website when we last checked. We cannot confirm if there is a free download of this app available. You can run StegoSecOsX on Mac OS X 10.5 or later. This free software for Mac OS X is an intellectual property of Raffaele De Lorenzo.
StegoSecOsX for Mac lies within Security Tools, more precisely Personal Security. 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 most popular version of the tool is 1.1.
From the developer:
Stegosec is a secure personal data and information transfer security application. Stegosec can hide a text (it can be a credit card PIN or a secret message to send to a person by e-mail or an MMS) into an image acquired from the internal camera or also from your images library.
You may want to check out more Mac applications, such as TelnetLauncher, which might be related to StegoSecOsX.