YoloMouse - An open source tool for changing your game cursor.
Unity - The multiplatform game creation tools for everyone.
RealWorld Cursor Editor - Create cursors for Windows, convert images to static or animated cursors, or customize your 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.