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X display management and authentication application
...At startup the app launches the X server and presents an authentication panel which also recongnizes several commands (reboot, halt, exit and console). SmartCard support relies on the OpenSSH authorized_keys file method for authentication and also requires OpenSC, pcsc-lite and OpenSSL.
Send User Notifications on macOS from the command-line
...It is currently packaged as an application bundle, because NSUserNotification does not work from a ‘Foundation tool’. radar://11956694. If you intend to package terminal-notifier with your app to distribute it on the Mac App Store, please use 1.5.2; version 1.6.0+ uses a private method override, which is not allowed in the App Store Guidelines.