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| Verwijderingen worden op deze manier gemarkeerd. | Toevoegingen worden op deze manier gemarkeerd. |
| Regel 1: | Regel 1: |
= Explanation = |
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| Regel 2: | Regel 5: |
| Regel 5: | Regel 9: |
| However, this is not always possible. In order to clarify this here are some examples: | However, this is not always possible. In order to clarify this, here are some details: |
| Regel 10: | Regel 14: |
If not stated otherwise, software is default licensed under GPL3 or higher and text and art is default licensed under CCBySA 4.0 or higher. See http://www.gnu.org/licenses/gpl-3.0-standalone.html and http://creativecommons.org/licenses/by-sa/4.0/legalcode. You should respect the license form. If the use as Free Software (open source) is difficult or impossible you can obtain plain copyright versions of CADchUP. Pricing is to be determined and is combined with a support contract. |
* Despite intentions, there are practical issues. In a non free environment such as the CAD market, a vertical application has a hard life. If such an application does not have the momentum like Apache, LibreOffice and Firefox, it will be abused and finally die because of intense forking and no funding. So our main apps are closed source and thus plain copyrighted: * CUPRO, * CUSTD and * CUFOR. * If not stated otherwise and not one of the main apps: * Software is default licensed under GPL3 or higher. See http://www.gnu.org/licenses/gpl-3.0-standalone.html * Text and art is default licensed under CC By SA 4.0 or higher. See http://creativecommons.org/licenses/by-sa/4.0/legalcode. So images and texts on this wiki can be reused as CreativeCommons By SA, where By means that you have to attribute the source (nedcad.nl) and SA means Share Alike, keep license the same so that others can use your works too. |
Explanation
The purpose of this page is to explain our intentions and to clarify involved licenses. Free on this page does not concern price but freedom. Briefly stated, we want to free information as much as possible:
In the spirit of the General Public License for software. See http://www.gnu.org/copyleft/gpl.html
Creative Commons Share Alike and Attribute for documentation. See http://creativecommons.org/licenses/by-sa/4.0/
However, this is not always possible. In order to clarify this, here are some details:
- Traffic signs are in the public domain by default - not copyrighted and not GPL-ed.
Some organizations simply demand copyrighted versions of software in order to be able to integrate and redistribute it with other software in their environment - mixing free and proprietary software in a distribution can be a problem. This is explained here: http://www.gnu.org/licenses/gpl-faq.html#GPLInProprietarySystem.
Free software from third parties is used but may have different licenses, for example ImageMagick is compatible with GPL3 but differs.
Despite intentions, there are practical issues. In a non free environment such as the CAD market, a vertical application has a hard life. If such an application does not have the momentum like Apache, LibreOffice and Firefox, it will be abused and finally die because of intense forking and no funding. So our main apps are closed source and thus plain copyrighted:
- CUPRO,
- CUSTD and
- CUFOR.
- If not stated otherwise and not one of the main apps:
Software is default licensed under GPL3 or higher. See http://www.gnu.org/licenses/gpl-3.0-standalone.html
Text and art is default licensed under CC By SA 4.0 or higher. See http://creativecommons.org/licenses/by-sa/4.0/legalcode. So images and texts on this wiki can be reused as CreativeCommons By SA, where By means that you have to attribute the source (nedcad.nl) and SA means Share Alike, keep license the same so that others can use your works too.