Thank you to the project contributors including:
RktMachine is a combination of coreos-osx and corectl.app, two macOS menu bar apps from TheNewNormal using their corectl CoreOS VM management tool. This is work by Rimantas Mocevicius, António Meireles, and others.
The About dialogue is adapted from TRexAboutWindowController by David Ehlen.
Scheduling tasks is done using the SwiftyTimer library by Radek Pietruszewski.
Thanks to Brad Greenlee for the wonderful WeatherBar blog post Write a Mac App in Swift!.
The Sphinx Bootstrap Theme used in generating the documentation is by Ryan Roemer. The documentation uses the Simplex theme from Bootswatch with additional custom styles.
README badging provided by Travis CI and Shields.io.
Continuous integration is by Travis CI. Project hosting and issue tracking is from GitHub.
Thanks to everybody for helping!