Developer	Mailbutler GmbH https://www.mailbutler.io
VPN Backend Tools (binary)	vpnc Maurice Massar OpenConnect David Woodhouse OpenVPN OpenVPN Technologies, Inc.
3rd Party Code	tun/tap driver Mattias Nissler Sparkle Sparkle Project ShortcutRecorder 2 waffle software / Ilya Kulakov CocoaLumberjack 2 Robbie Hanson CocoaAsyncSocket Robbie Hanson SCEvents Stuart Connolly ITSwitch Ilija Tovilo Tunnelblick Project Nick Williams et al.
Icons & Graphics	Icons8 Free Icon Packs
Acknowledgements	Open Source Software License Statements