HSCALE is a mysql multi db partitioning system utilizing mysql proxy. It allows you to split up tables into partitions and (later on) spread these among different MySQL servers.
An attempt at a Xanalogical Web, comprised of a CGI system with both native and HTML interfaces, a set of standards, a backend supporting Transclusion, versioning, and a custom browser with support for Transpointing and editing.
Virtual Database is a server component that offers multitenancy, sharding and replication and relieves the application developer from these concerns. The current version provides multitenancy though an application on top of MySQL proxy.