Here is a list of tool we can use to make trailers. Everyone put the tool here and paste where to find it:
I movie
http://www.apple.com/imovie/
Puppet pals:
https://itunes.apple.com/us/app/puppet-pals-hd/id342076546?mt=8
Pow Toon:
https://www.powtoon.com/
Canva
https://www.canva.com/
Adobe Spark
https://spark.adobe.com
Animoto
https://animoto.com/
Tellagami
https://tellagami.com
Genial.ly
https://www.genial.ly
Kizoa.fr : online video maker using photos, videos and music. You may add text, special effects and transitions
https://www.kizoa.fr/
Learningapps.org : a very simple tool to built games for our friends. Available in 21 languages.
https://learningapps.org/
Jigsawplanet.com : to make wonderful puzzles for free without any add.
https://www.jigsawplanet.com/
Naturalreaders : a quite good tool (one of the best at the moment for me) to let your text be read in a foreign language if the kids are ashamed to speak :o)
https://www.naturalreaders.com/
The best translator at the moment but only a few languages available : deepl.com
https://www.deepl.com/translator
AnimateAnything, or Photospeak, apps to let a picture speaks, e.i. on a book cover
To make a book and and read it : https://www.storyjumper.com
thinglink.com
https://www.thinglink.com/scene/1032301860217683971