自由軟體
自由軟體（英言Free Software），蓋軟體之一屬，自由軟體基金會倡之。所習用者，有無屬習用，鈔模分俵，蒐討修改之權也。一言蔽之，非任何人所得私，然任何人所得享。而其相違者，或曰私產軟體（英言Proprietary software）。凡自由軟體，皆以《革奴自由文檔許可協議》衛之。
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