Type	What for ?	Nom / Name	Site	OS
Security	Backup	SyncBack	http://www.2brightsparks.com/	Windows
	Backup	LuckyBackup	http://luckybackup.sourceforge.net/	Linux
	Passwords safe	KeePassXC	http://keepassxc.org/	Windows, Linux, macOS
Office sofware	Office	LibreOffice	http://www.libreoffice.org/	Windows, Linux, macOS, Android
	PDF viewer	AdobeReader	http://get.adobe.com/fr/reader/otherversions	Windows, macOS, Android
	Note-taking	Joplin	http://joplinapp.org/	Windows, Linux, macOS, Android, iOS
Internet	Mail, Calendar and Contacts	Thunderbird	http://www.thunderbird.net/fr/	Windows, Linux, macOS, Android, iOS
	Secured Web Browser	Tor	http://www.torproject.org/fr/	Windows, Linux, macOS, Android
	Web Browser	Firefox	http://www.mozilla.org/	Windows, Linux, macOS, Android, iOS
Compression	Compression	7Zip	http://www.7-zip.org/	Windows, Linux
PC utilities	Disk Defrag	Disk Defrag	http://www.auslogics.com/	Windows
	Create PDF	PdfCreator	http://www.pdfforge.org/	Windows
	Disk and registry cleaner	Ccleaner	http://www.ccleaner.com/fr-fr	Windows
	Disk cleaner	BleachBit	http://www.bleachbit.org/	Windows, Linux, macOS
Graphics	Graphic design	Krita	http://krita.org/fr/	Windows, Linux, macOS
	3D modeling, animation	Blender	http://www.blender.org/	Windows, Linux, macOS
	Publishing Application	Scribus	http://www.scribus.net/	Windows, Linux, macOS
	Design tool	Inkscape	http://inkscape.org/	Windows, Linux, macOS
	Image Editor	Gimp	http://www.gimp.org/	Windows, Linux, macOS
	Image browser	gThumb	http://wiki.gnome.org/Apps/Gthumb	Linux
	Image browser	FastStoneViewer	http://www.faststone.org/	Windows
	Download (FTP)	FileZilla	http://filezilla-project.org/	Windows, Linux, macOS
	Video editor	OpenShot	http://www.openshot.org/	Windows, Linux, macOS
	To view videos	VLC	http://www.videolan.org/	Windows, Linux, macOS, Android, iOS
Music	Audio editing and recording	Audacity	http://audacity.fr/	Windows, Linux, macOS
Communication	Telephone + Vidéo + Chat	Wire	http://wire.com/fr/	Windows, Linux, macOS, Android, iOS
	Telephone + Vidéo + Chat	Signal	http://signal.org/fr/	Windows, Linux, macOS, Android, iOS
Genealogy	Family tree	Gramps	http://gramps-project.org/blog/	Windows, Linux, macOS
Architecture	Interior architecture	SweetHome3D	http://www.sweethome3d.com/	Windows, Linux, macOS, Android, iOS