OpenMMOd is a open-source event-driven MMORPG Server written in C++ with a YAML packet definition backend. It is MySQL database driven currently with future backend support to come in the future.
The Wolfram Machine project is an effort to create a set of documentation and useful modules (both hardware and software) for a computing architecture based on the mathematical theories presented in Steven Wolfram's book _A_New_Kind_of_Science_.