GNU General Public License
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GPL or GNU General Public License was the first copyleft license, and is still the most broadly used.
- Free, copyleft license for software + other things
- To preserve, not take away your freedom
- the right to distribute software, even at a cost
- The right to receive the source code and make changes
- Need to respect the freedom of others by informing them they can access the source code.
- assert copyright and then offer people the GNU license
- Another version of the GPL called the AGPL. You have to distribute source code, even if you don’t distribute the software as in the case of web apps (e.g. facebook)
- What is the situation with devices that don’t let users run modified version in the 3rd to last paragraph?
- How could a patent be applied to software?
- It’s interesting that GPL licensed software can be used to create proprietary software. Is this for practical reasons?
- Microsoft seems to claim that GPL has some viral properties, does non-free software not have these same properties?
- How can Stallman justify selling license exceptions to companies? Aren’t they evil?