Free Software Directory

The Free Software Directory (FSD) is a project of the Free Software Foundation (FSF). It catalogs free software that runs under free operating systems—particularly GNU and Linux. The cataloged projects are often able to run in several other operating systems. The project was formerly co-run by UNESCO.

Unlike some other directories that focus on free software,^[1] Free Software Directory staff verify the licenses of software listed in the directory.

^ Among public directories that focus on free software, for example, Kim, E. E. (2003). An Introduction to Open Source Communities Archived 2003-06-02 at archive.today mentions SourceForge and Freshmeat:
There are three major databases of open source software available on the Internet today: the GNU Free Software Directory (https://www.gnu.org/directory/), SourceForge (https://sourceforge.net/), and Freshmeat (http://freshmeat.net/).

[1] Among public directories that focus on free software, for example, Kim, E. E. (2003). An Introduction to Open Source Communities Archived 2003-06-02 at archive.today mentions SourceForge and Freshmeat:
There are three major databases of open source software available on the Internet today: the GNU Free Software Directory (https://www.gnu.org/directory/), SourceForge (https://sourceforge.net/), and Freshmeat (http://freshmeat.net/).

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