CursorFX - Create custom mouse cursors with CursorFX.
Unity - The multiplatform game creation tools for everyone.
YoloMouse - An open source tool for changing your game cursor.
Godot Engine - Feature-packed 2D and 3D open source game engine.
AniFX - AniFX is a freeware cursor editor.
Blender - Blender is the open source, cross platform suite of tools for 3D creation.