Stallman publishes 'The GNU Manifesto', a foundational document outlining the goals and principles of the GNU project and the free software movement. It clearly articulates the ethical reasons for free software.

Stallman writes numerous articles and essays on various aspects of free software, software patents, digital rights, and related topics, articulating and defending his philosophical positions.

Collection of Stallman's key essays and speeches published in book form, providing a comprehensive overview of his philosophy and arguments for free software.

Stallman continues to write and speak extensively on free software, consistently advocating for the four essential freedoms and challenging proprietary software practices.

Stallman's writings and speeches consistently emphasize the ethical dimensions of software freedom, arguing that users have a moral right to control and modify the software they use.