PlayCanvas is an open source cloud hosted collaborative 3D platform for building video games that allows per-pixel lighting, shadows and post effects, rigid bodies, triggers, vehicles, and joints, and audio, input, animation, and entity system.
The visual editor of playcanva has been one my favorite tools to use with Unity3d so far! It's really easy in creating assets like meshes or UV maps from scratch as well importing them into unity projects (and exporting again).
I have had some problems when trying out new features but it was solved very fast by their support team! If you're looking forward having everything under your control then this tool will be perfect because they offer all kinds of functions which are needed whileβ¦
Pros
Very intuitive interface
Easy importation/exporttion process for objects, textures etc.
Great community forum where users can get help if there is something wrong about playing canvas great customer service