Here are the different links to the videos our students realized to explain various softwares that they use :

Libre Office 1 explained : https://youtu.be/OfeOuGi2MRY

Libre Office 2 explained : https://youtu.be/li5EfbI_8aI

Libre Office 3 expalined : https://youtu.be/qD_uli7kUog

Libre Office 4 explained : https://youtu.be/3Tw2eo5_BHU

Libre Office 5 explained : https://youtu.be/VdgDzXovHYU

Libre Office 6 explained : https://youtu.be/JDtMIOQRZiQ

Genially explained : https://youtu.be/NgbEHV33RKc

Scratch explained : https://youtu.be/Qkh-g4-MVNE

Photo Filtre explained : https://youtu.be/Y0h4UHSihhc