Can I Use GPL Software For Commercial Purposes?
Use of licensed software 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.
Can I sell software that uses GPL?
4. Can you sell GPL software/code? Yes, the GPL license allows users to sell the original as well as the modified software. It may be confusing, but free software is referred to as free in terms of freedom and not in terms of price.
GPL License - Top 10 Questions Answered - Mend
Can I use GPL 2 in commercial software?
There is no field of use restriction in the GPLv2 - users are free to use if however they like, including for commercial purposes.
GNU General Public License (v2): can a company use ... - Stack Overflow
The GPL is a free software license, and therefore it permits people to use and even redistribute the software without being required to pay anyone a fee for doing so. You can charge people a fee to get a copy from you. You can't require people to pay you when they get a copy from someone else.
Frequently Asked Questions about the GNU Licenses
Can you use GPL code in proprietary software?
Under the GPL, either static or dynamic linking requires the main program to be distributed under the GPL, with the result that linking a GPL-licensed library is incompatible (in licensing terms) with a proprietary program.
Using GPL code in your software: the essentials - Clendons