SlidesWhiz - Better shortcuts and toolbar for Google Slides
PixaMotion - Make live photos, live wallpapers, moving Backgrounds & themes with animation effects.
Slideflow - Turn your Google Slides into a website in seconds.
StoryZ - StoryZ Photo Motion and Video Maker is a photography app that allows you to create visual stories from still images.
TalkingDeck - With TalkingDeck you can create instructional videos from Google Slides presented by our animated characters.
VIMAGE - Add moving effects and elements to your photos.