Itqualityassurance
- Do you need to credit open source code?
- How do you copyright open source code?
- Can you charge money for open source?
- Can I modify open source code and sell?
Do you need to credit open source code?
The main principle is that if you use an open source project you should credit that project in a way that could be seen but isn't invasive to your website or app. A "Powered by Python" logo on every Webpage is invasive. A paragraph with a link to the project URL on a help page is quite acceptable (imho).
How do you copyright open source code?
As long as you own that source code, all that you need to do is choose one of the approved Open Source licenses, include a copy of the license text, typically in a filenamed "COPYRIGHT", including a statement saying that you are licensing the code under that copyright, and give it to somebody else!
Can you charge money for open source?
You can't charge money for the open source version of your software, but it doesn't mean you can't make money from other versions of it. Here are seven ways companies have generated revenue from open source software: Charging for custom features. Paid support services.
Can I modify open source code and sell?
Absolutely. All Open Source software can be used for commercial purpose; the Open Source Definition guarantees this. You can even sell Open Source software. However, note that commercial is not the same as proprietary.
