General Public License (GPL)

The free software movement started like many other movements: A group of bright, spirited people felt controlled by a greater power and rose up and took matters into their own hands. It's not that different from the American Revolution. The colonists were tired of being controlled by Great Britain, so they declared their independence and started building their own system of government and military, and creating their own cultures. The revolutionaries' methods were disorganized and improvised, but they ultimately proved to be effective. Same goes for the software revolutionaries...