Project Ruth 2.0 - an Open Source Mesh Avatar by Shin Ingen.
Ruth 2.0 is a low-poly mesh body, and is specifically designed for Opensimulator. She is built to use standard SL UV maps using a scratch-built mesh body.
Google+ Community Page: https://plus.google.com/communities/103360253120662433219
Github Repository: https://github.com/Outworldz/Ruth