Great new free plugin for ZBrush

The plugin is called UVmaster. With UVmaster you can quickly create high quality and artist-friendly UV maps.
It will unwrap your model's UVs in a way that's easily understood by the human eye and without texture distortion. It's incredibly fast, with results so clean that you can paint on the unwrapped model in a 2D image editor of your choice. Watch the video and read more here...