Tout pour les PC

Geogebra

https://www.geogebra.org/download

Scratch

https://scratch.mit.edu

Geotortue

http://geotortue.free.fr/index.php?page=telechargement

Open Office

https://www.openoffice.org/fr/

MBlock

http://learn.makeblock.com/en/software/

Store Write

http://www.lectramini.com/downloads_bis.htm

Sketchup

https://google-sketchup.fr.uptodown.com/windows/telecharger/22553

Google earth

https://www.google.fr/earth/download/gep/agree.html