Warranty, License and Copying

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# Appendix E: Warranty, License and Copying

XTrackCAD is Copyright 2003, Sillub Technology and Copyright 2007, Bob Blackwell and Martin Fischer and Copyright 2020, Martin Fischer, Adam Richards and Dave Bullis.

Some icons are taken from the Tango Free Desktop project and are covered by the Creative Commons Attribution-ShareAlike 2.5 License Agreement.

- E.1 Warranty
- E.2 Copying and Distribution
- E.3 GNU General Public License
- E.4 Contributions