Unity - The multiplatform game creation tools for everyone.
Enlight Pixaloop - The animation app that lets you move still photos
Godot Engine - Feature-packed 2D and 3D open source game engine.
StoryZ - StoryZ Photo Motion and Video Maker is a photography app that allows you to create visual stories from still images.
Blender - Blender is the open source, cross platform suite of tools for 3D creation.
PixaMotion - Make live photos, live wallpapers, moving Backgrounds & themes with animation effects.