Umamo v0.4.0 is released! This is a maintenance release with some new features.
What's New:
* Installers w/ update check
* UMA File Format(Alpha, keep using CMO3 for now!)
* CMO3 interoperability fixes
* SASA Quick Setup

Umamo v0.3.0-dev is out NOW!~ This is a huge release with full layered art import(PSD/KRA/CLIP), texture atlas edit/pack, and so much more.
Umamo is still in early alpha development, but you can play around with it!
www.umamo.org#download