Blender - Blender is the open source, cross platform suite of tools for 3D creation.

Canva - Canva is a graphic-design platform with a drag-and-drop interface to create print or visual content while providing templates, images, and fonts. Canva makes graphic design more straightforward and accessible regardless of skill level.

Sculptris - Sculptris: Enter a world of digital art without barriers.

Sketch - Professional digital design for Mac.

Misfit Model 3D - Misfit Model 3D is a 3D model editor that basically operates with triangle-based models.

Adobe Photoshop - Adobe Photoshop is a webtop application for editing images and photos online.