Can I Use A GPL Library?
In general terms, if you use GPL-licensed code in your program that you wish to distribute to others, then you must also license your program under the GPL. ... This has implications for proprietary and/or commercial software developers, as many popular and important libraries are licensed under the GPL.
Can I use GPL license library in commercial software?
ANSWER: You can if you want to. You don't have to. You could modify it, but when you distribute your application you are obliged to make your source available and also the source for the modifications you made to the library.
Can I use GPL software in a commercial application
Can I use GPL software on my website?
The short answer is Yes. The differences between the two licences is that with the GPL you must distribute or make available any GPL licensed code. Your modifications must also be licensed with the GPL and the source code distributed appropriately.
How to use a GPL V2 library for your website without violating any ...
Can you use GPL in closed source?
Yes, you have to make your source code available under the GPLv3 license. However if you keep the code internal to your company (for example for internal use or if you write a server) you do have to license your code under GPLv3 but you don't have to make it available to the public.
How do I use a GPL component in a closed-source software? - Quora
GPL is enforceable as it's essentially a copyright license. The copyright holders of the GPL software can choose to enforce the GPL on the distributed or derivative works of the software. For example, the FSF holds the copyrights on many pieces of the GNU system, such as the GNU Compiler Collection.
Top 10 GPL License Questions Answered - WhiteSource