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Can I use GNU GPL for commercial?
Software under the GPL may be run for all purposes, including commercial purposes and even as a tool for creating proprietary software, such as when using GPL-licensed compilers. Users or companies who distribute GPL-licensed works (e.g. software), may charge a fee for copies or give them free of charge.
Should I use MIT or GPL?
You are correct that the GPL is more restrictive than the MIT license. You cannot include GPL code in a MIT licensed product. If you distribute a combined work that combines GPL and MIT code (except in some particular situations, e.g. ‘mere aggregation’), that distribution must be compliant with the GPL.
Is GNU GPL bad?
The GPL is not a bad license for open source software, it is used by thousands and thousands of projects, and both the rights-holders and users of those projects are in most cases perfectly happy with it.
Can I change MIT to GPL?
Yes. But the effect may not be what you think it is. The MIT license includes all the rights the GPL gives and more.
What does GPL stand for in the GNU license?
“GPL” stands for “General Public License”. The most widespread such license is the GNU General Public License, or GNU GPL for short. This can be further shortened to “GPL”, when it is understood that the GNU GPL is the one intended.
Can you use the GPL for something other than software?
If I use a piece of software that has been obtained under the GNU GPL, am I allowed to modify the original code into a new program, then distribute and sell that new program commercially? Can I use the GPL for something other than software?
Is the GNU GPL compatible with CeCILL code?
Explicit relicensing permission is not the same thing as compatibility (though relicensing code can make it compatible with other code) and it is not symmetrical. For instance, the CeCILL gives explicit permission to relicense code to GNU GPL, but the GNU GPL does not permit relicensing to the CeCILL.
When do you combine code under GPL 3 or later?
When you combine code under “GPL 3 or later” with code under “GPL 2 or later”, the license of the combination is their intersection, which is “GPL 3 or later”. We hope we will never need to make a GNU GPL version 4, but nothing is perfect and we can’t assume we have anticipated all the issues.