GNU Project has been developing a number of high quality free software programs, and they are distributed under OSI-approved license called GNU General Public License (GPL), which is the most widely used license for free / open source software. This webpage provides basic information on GNU, including the history and philosophy
Free Software Foundation (FSF) is a non-profit organisation established to promote free software and its movement, especially GNU Project, which is a major provider of quality free software. This webpage provides useful information on free software, such as the Free Software Directory and a list of hardware that is free software compliant. FSF Project stresses the difference between free software and open source software in philosophy as well as in practice, and the relevant essays are available in the ‘essays’ section
