1Files developed in this project are copyright (c) The OpenCPN
2developers and distributed using a GPPLv2+ license; you can
3find the terms in the file COPYING.gplv2
4
5OpenCPN also uses code from other sources with other licenses
6including:
7
8  - GPL (v3 or later)  - see COPYING.gplv3
9  - LGPL (v3 or later) - see COPYING.lgplv3
10  - LGPL (v2 or later) - see COPYING.lgplv2
11  - BSD (2 clause)
12  - BSD (3 clause)
13  - MIT/X11 (BSD like)
14  - zlib/libpng
15  - CC0
16  - SGI Free Software License B (v1.1)
17  - SGI Free Software License B (v2.0)
18  - SGI Free Software License B
19  - Apache (v2.0)
20  - Creative Commons 0 License
21
22The complete file-by-file list is available in the file data/copyright.
23