Founded the free software movement, which has profoundly influenced the development and distribution of software. This movement emphasizes user freedom and ethical considerations in software development.

The GNU operating system, combined with the Linux kernel, has become a widely used and influential operating system, powering servers, embedded systems, and personal computers worldwide.

The GNU General Public License (GPL) has become one of the most popular and widely used free software licenses, ensuring that software remains free and open to modification and distribution.

His advocacy for digital rights has raised awareness about issues such as privacy, freedom of expression, and access to information in the digital age.

Continues to inspire developers and activists around the world to embrace free software principles and advocate for digital rights.