Unity - The multiplatform game creation tools for everyone.
Sketch - Professional digital design for Mac.
Godot Engine - Feature-packed 2D and 3D open source game engine.
Inkscape - Inkscape is a free, open source professional vector graphics editor for Windows, Mac OS X and Linux.
Blender - Blender is the open source, cross platform suite of tools for 3D creation.
Adobe Photoshop - Adobe Photoshop is a webtop application for editing images and photos online.