Our website provided a free download of MacSignify 3.0 for Mac. The program lies within Communication Tools, more precisely E-mail. Our built-in antivirus scanned this Mac download and rated it as 100% safe.
From the developer:
MacSignify generates random signatures for email and other communications applications. It independently randomizes a URL and a signature, with various user definable options to control how your signature looks. Includes quite a few example signature files and documentation to help you make your own. It works with any application which can attach a signature from an external plain text file. (Eudora is just one example.
You may want to check out more software for Mac, such as Installer OS X El Capitan, which might be similar to MacSignify.