Solipsis is a pure peer-to-peer system for a massively shared virtual world. There are no central servers at all: it only relies on end-users' machines. Solipsis is a public virtual territory. The world is initially empty and only users will fill it by
VAST is a light-weight network library to support scalable peer-to-peer (P2P) virtual environment / virtual world applications such as Massively Multiplayer Online Games (MMOGs). It is based on the research of Voronoi-based Overlay Network (VON) published
B. Eckstein, and B. Lugrin. Proceedings of the 22Nd ACM Conference on Virtual Reality Software and Technology, page 313--314. New York, NY, USA, ACM, (2016)
A. Kharroubi, R. Hajji, R. Billen, and F. Poux. The International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, (2019)