Free software refers to programs distributed under terms that allow users to run, examine, alter, and distribute the software, emphasizing freedom over cost. This concept, promoted by Richard Stallman and the Free Software Foundation, differs from proprietary software by ensuring users maintain control over their tools.
Eben Moglen emphasizes its deep integration into society, pointing out that even monopolists cannot eliminate its influence within networks, while Bruce Perens highlights its alignment with business practices, referencing companies such as Red Hat. Sam Williams examines the transition from "free software" to "open source," illustrating discussions around terminology and priorities. These viewpoints together demonstrate that free software functions as both a technical framework and an ethical initiative, supporting user independence and collaborative advancement.