You could have downloaded Confidesk 2.0.0 for Mac from our application library for free. The application is included in Communication Tools. The actual developer of this free Mac application is Confidesk AG. Our built-in antivirus scanned this Mac download and rated it as virus free.
From the developer:
Confidesk is a confidential, encrypted, and secure mail service and file storage tool. The application offers server side and client side encryption for maximum security. Your data is stored encrypted and synchronized with servers, or accessible on your connected devices automatically. Your configurations and contacts are available on all your devices and connected accounts, thanks to the tool's synchronization feature.
You may want to check out more Mac applications, such as Enough, gFeeder or Seesmic for Facebook, which might be similar to Confidesk.