There is a collaborative painting application written in meteorjs. There are a few features the still need to be completed to reach version 1. * Updating Art Board preview images * Fix bugs with room features such as user invitations, and board permissions * Fix 'save to gallery' feature * Painting tool improvements (brush size indication) * Various bug fixes related to user permissions in meteor Everything is maintained and organized in a git repo. There are bugs tracked in an ticket systems. Contact for further details.