LightMV - LightMV is the best free online service for you to make a video using photos and music.
Unity - The multiplatform game creation tools for everyone.
Photostage - Quickly and easily combine photos and videos with a narration or soundtrack using PhotoStage slideshow software. Free slideshow maker download for Mac & PC.
Godot Engine - Feature-packed 2D and 3D open source game engine.
Photopia - Photopia is the official successor to ProShow. Find out how you can easily transition to the next generation of slideshow software.
Blender - Blender is the open source, cross platform suite of tools for 3D creation.