Unity - The multiplatform game creation tools for everyone.
Rocketium Button - Let your users create videos on your website
Godot Engine - Feature-packed 2D and 3D open source game engine.
Tribute - Tribute is the most user-friendly video montage maker for birthdays, anniversaries, weddings, retirements, teacher appreciation, employee recognition, and other occasions.
Blender - Blender is the open source, cross platform suite of tools for 3D creation.
ScreenFlow - Many users require video editing software or a means of recording the content of their computer screens. There are many software options available, but one of the most commonly used of these is ScreenFlow.