Unity - The multiplatform game creation tools for everyone.
TuneFab M4V Converter - TuneFab M4V Converter supports you to convert iTunes M4V videos with ease.
Godot Engine - Feature-packed 2D and 3D open source game engine.
TunesKit - TunesKit provides the best DRM removal tools to help Mac and Windows users bypass DRM from iTunes M4V movie rentals and purchases, M4P Apple Music, audiobooks and iBooks with fastest speed and high quality.
Blender - Blender is the open source, cross platform suite of tools for 3D creation.
Ondesoft iTunes Converter - iTunes DRM Audio Converter to remove DRM and convert iTunes M4P/M4B to DRM-free MP3, M4A and on Mac OS.