What was the system for having multiple people edit 1 .blend @ the same time called?

What was the system for having multiple people edit 1 .blend @ the same time called?

like multi-player blender? not a game, but a collaborative engine

Verse ? http://wiki.blender.org/index.php/Dev:2.4/Source/Extensions/Verse/Integration_in_Blender_Documentation

Thank you kind sir, you are a gentleman and a scholar and someday someone may write a song about you :slight_smile: