Free and open-source software
FOSS
;
FLOSS
Contributing guidelines
Contributor License Agreement
FLOSS Manuals
FLOSS Weekly
Free software movement
Free-software license
Free and open-source graphics device driver
List of free and open-source software packages
List of formerly proprietary software
Open-source license
Openwashing
Outline of free software
https://en.wikipedia.org/wiki/Free_and_open-source_software