Blender - Blender is the open source, cross platform suite of tools for 3D creation.
iOS Cookies - A hand curated collection of iOS libraries written in Swift
Autodesk 3DS Max - 3ds Max is software for 3D modeling, animation, rendering, and visualization. Create stunning game enrivonments, design visualizations, and virtual reality experiences.
iOSStash - A huge collection of app-related tools
ZBrush - ZBrush is a digital sculpting and painting software solution.
Lightwell - App creation platform for creatives.