Similar to オープンソースの定義

Definition of music

Extremism

2019 revision of the SI

Definition of Free Cultural Works

United Nations General Assembly Resolution 3314 (XXIX)

Definitions and identity of indigenous peoples

Definitions of philosophy

Definition of terrorism

Definitions of fascism

The Free Software Definition

Alliance for Open Media

Debian Social Contract

Debian Free Software Guidelines

Defense Distributed

Freecode

Freedesktop.org

GitHub

Google Developers

Launchpad (website)

Linux Foundation

LinuxTag

History of Linux

Open Hub

OpenForum Europe

Open Invention Network

Open Source Applications Foundation