What GPL License Means?
GNU General Public License - The GNU General Public License (GPL) is a free, copyleft license used primarily for software. The GNU GPL allows users to change and share all versions of a program.
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.
GNU General Public License - Wikipedia
SCO's Chris Sontag argues there are many reasons that the GNU General Public License is bad for the software industry. The General Public License is not good for the software industry for a variety of reasons. These include: The GPL is full of contradictions and could be interpreted in a number of different ways.
No, the GPL is not good for the software industry | Network World
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
GPL stands for General Public License and also is commonly called a copyleft. GPL software is free not in the sense of monetary price, but in that an owner is free to give away or sell copies, and to change the software or use pieces of it for reference or for other programs.
ARCHIVED: What do the acronyms FSF, GPL, LPF, and RMS mean?