FLOSS ( Free/Libre and Open Source Software )
A non-free program is a predatory social system that keeps people in a state of domination and division, and uses the spoils to dominate more.
-- Richard Stallman alias RMS
http://en.wikipedia.org/wiki/Richard_Stallman
https://renemages.wordpress.com/les-logiciels-libres/adminsys/
https://renemages.wordpress.com/les-logiciels-libres/les-professionnels-du-libre/
https://renemages.wordpress.com/les-logiciels-libres/python/
https://renemages.wordpress.com/2018/10/01/les-fondamentaux-de-l-informatique/
http://www.nextinpact.com/archive/51752-racketiciel-vente-liee-subordonnee-consommateur.htm
https://www.blog-libre.org/2016/12/24/mettre-a-jour-son-bios-quand-on-est-sur-linux/
https://n.survol.fr/n/que-se-passe-t-il-le-jour-ou-je-ne-suis-plus-la
https://www.gov.uk/government/publications/open-standards-for-government
https://www.gov.uk/government/news/open-document-formats-selected-to-meet-user-needs
http://www.freeopensourcesoftware.org
https://www.youtube.com/watch?v=bxzQU1MKlPQ Roberto Dicosmo
http://blog.freenode.net/2008/04/registering-a-channel-on-freenode/
http://axellec.chez.com/securite/LSM2005/encfs-presentation_ValientGough_LSM2005_slides.pdf
https://www.debian-administration.org/article/204/Simple_encryption_via_encfs
https://sourceforge.net/p/encfs/mailman/encfs-users/
https://www.youtube.com/watch?v=qzcrJ_B_jMo André-Gilles Vittek, EDF - EDF, retours sur quelques années d'achats Open Source
http://www.adullact.org/IMG/pdf/GuideLLadministrations-V1.2.0.pdf
http://www.cnnumerique.fr/wp-content/uploads/2015/11/CNNum_Fiche_Logiciel-libre.pdf
http://www.withoutmodel.com/without-model/om4s-open-models-for-sustainability/