• AlphaNumericComparator
  Andrew Duffy, Apache-Lizenz
  https://github.com/amjjd/java-alphanum
• Apache Commons Lang
  Apache Software Foundation, Apache-Lizenz
  http://commons.apache.org/
• Apache Commons Logging
  Apache Software Foundation, Apache-Lizenz
  http://commons.apache.org/
• JCalendar
  Kai Toedter, LGPL
  http://www.toedter.com/en/jcalendar/
• Jetty Webserver
  Apache-Lizenz
  https://www.eclipse.org/jetty/
• SwingSuite
  Christopher Deckers, LGPL
  http://djproject.sourceforge.net/
• Mustang
  Jochen Stärk, Apache-Lizenz
  http://www.mustangproject.org/
• Apache PDFBox
  Apache Software Foundation, Apache-Lizenz
  https://pdfbox.apache.org/
• RSyntaxTextArea
  Fifesoft, LGPL
  http://fifesoft.com/rsyntaxtextarea/
• Macify
  Eirik Bjørsnøs
• ClassGraph
  Luke Hutchison, MIT-Lizenz
  https://github.com/classgraph/
• OpenCSV
  Apache-Lizenz
  http://opencsv.sourceforge.net/
• StreamEx
  Tagir Valeev, Apache-Lizenz
  https://github.com/amaembo/streamex
• Flat Look & Feel
  Apache-Lizenz
  https://www.formdev.com/flatlaf/
• Icons Kspread und Mimetype Spreadsheet
  Crystal Clear Icons, LGPL
  https://commons.wikimedia.org/wiki/Crystal_Clear
• Flaggen-Icons
  Mark James, Public Domain
  http://www.famfamfam.com/
• Tiny Toast
  Gleb Bahmutov, MIT-Lizenz
  https://glebbahmutov.com/
• Toolbar-Icons
  pixel-mixer, Freeware
  http://www.iconarchive.com/artist/pixelmixer.html
• Toolbar-Icons
  led24.de
  http://www.softicons.com/designers/led24.de
• Weitere Toolbar-Icons
  Creative Commons-Lizenz
• Titelbild
  Pixabay, CC0
  https://www.pexels.com/de-de/foto/munzen-auf-braunem-holz-210600/
• Weihnachts-Motiv
  Schwarzenarzisse, Pixabay, Vereinfachte Pixabay Lizenz
  https://pixabay.com/de/photos/ge%C3%AFsoleerd-kersttak-vast-1007754/