Free software is software that respects users’ freedom and community. It’s not about price. It’s libre, not gratis. With any program, there are two possibilities: either the users control the program, or the program controls the users.
When the users control the program, that’s free software—they control the things they do with it, and thus it respects their freedom and their community. If they don’t have full control over it, then it’s user-subjugating, non-free proprietary software—the program controls the users, and the program’s owners control the program, so it becomes an instrument of unjust power for the owner over the users.
...