Pivot Animator - Pivot Stickfigure Animator is a unique software, that allows you to create stick figure animations...
Unity - The multiplatform game creation tools for everyone.
Stick Nodes - Stick Nodes is an app that allows you to easily create your own stickfigure-based animations
Godot Engine - Feature-packed 2D and 3D open source game engine.
StickyPy - Stick figure animation program written in Python and PyGame
Blender - Blender is the open source, cross platform suite of tools for 3D creation.