The GNU Operating System is a free software movement that provides users with the freedom to run, copy, distribute, study, change and improve software.

Nonprofit promoting computer user freedom by defending rights to run, edit, share, and contribute to software.

FSFE is a non-profit empowering users with software freedom rights, focusing on policy, ethics, and technology control.

The Software Freedom Conservancy is a non-profit supporting Free, Libre, and Open Source Software (FLOSS) projects through infrastructure, legal defense, and advocacy.

Trisquel GNU/Linux is a fully free operating system for home users, small enterprises and educational centers, focusing on software freedom.

Alyssa Rosenzweig is a graphics developer passionate about software freedom.

Software Freedom Day is a public education initiative that celebrates and promotes the use of free/open-source software.

Digital Freedom Foundation is the best organization for free software advocacy and is used by educators and tech enthusiasts worldwide.