The Fedora Project is open and anyone is welcome to join. Fedora is a Linux-based operating system that showcases the latest in free and open source software. Fedora is always free for anyone to use, modify, and distribute. It is built by people across the globe who work together as a community: the Fedora Project.
The Free Software Foundation (FSF) is a non-profit corporation founded by Richard Stallman on October 4th, 1985 to support the free software movement, a copyleft-based movement which aims to promote the universal freedom to distribute and modify computer software without restriction. The FSF is incorporated in Boston, Massachusetts, USA.
Open source is a development method for software that harnesses the power of distributed peer review and transparency of process. The promise of open source is better quality, higher reliability, more flexibility, lower cost, and an end to predatory vendor lock-in. It depends on the liberties delivered by open source licenses.
The Open Source Initiative (OSI) is the authority that defines Open Source, recognized globally by individuals, companies, and by public institutions.
One of our most important activities is as a standards body, maintaining the Open Source Definition for the good of the community. The Open Source Initiative Approved License trademark and program creates a nexus of trust around which developers, users, corporations and governments can organize open-source cooperation.