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Is all proprietary software commercial?
Many proprietary software applications are also commercial, meaning that you have to pay for a license. However, many other proprietary software applications are free. The fact that software is free does not mean it is not proprietary.
Is proprietary software licensed?
Most software licences are called proprietary licences, where the original creator of the software retains ownership (property) in the software. One good example of this is the traditional End User Licence Agreement (EULA).
Is proprietary the same as closed source?
With closed source software (also known as proprietary software), the public is not given access to the source code, so they can’t see or modify it in any way. But with open source software, the source code is publicly available to anyone who wants it, and programmers can read or change that code if they desire.
Is there a license for closed source code?
At the top of all the source code files I have this pretty basic copyright notice: However I’m really starting to think that’s not enough. Without the money to get a lawyer, I’m interested in any closed-source license that essentially says “You can use it, and that’s it”.
Can a closed source application be open source?
If I create a closed source application which uses some GPL licensed libraries but don’t actually distribute the software, only its output, can I keep the software closed sourced? Specifically, I am talking about a biological data analysis pipeline. Internally, our software will be using some GPL libraries to generate its output.
When do I need to disclose my source code?
If you distribute this library in an executable, you must disclose your source code by providing it either alongside your distribution or list an accessible way (URL, physical copy) to obtain the source for 3 years.
Can You redistribute a proprietary software without the source code?
While most proprietary software is distributed without the source code, some vendors distribute the source code or otherwise make it available to customers. For example, users who have purchased a license for the Internet forum software vBulletin can modify the source for their own site but cannot redistribute it.