SlidesPro - Google Slides add-on w/ shortcuts, YT videos & more
PixaMotion - Make live photos, live wallpapers, moving Backgrounds & themes with animation effects.
Brand Kit by Premast - Manage, share and create branded content in PowerPoint
StoryZ - StoryZ Photo Motion and Video Maker is a photography app that allows you to create visual stories from still images.
Slideflow - Turn your Google Slides into a website in seconds.
VIMAGE - Add moving effects and elements to your photos.