The 5 GUIs application does not connect to any internet services at all. It doesn't collect any personal data and doesn't send any data to ZeeZide servers.
It is completely sandboxed and only operates on user provided files.
For further information and enquiries please just drop us an email!
P.S.: Don't trust privacy policies, install Little Snitch and get notified if an application tries to send data to the Interwebs.