cstat is a tool to gather real-time statistics
from Cube and Cube engine 2 game servers and
output text, ANSI, and XML. Supported games are
Cube, Sauerbraten, AssaultCube, and Blood Frontier.
Information regarding Project Releases and Project Resources. Note that the information here is a quote from Freecode.com page, and the downloads themselves may not be hosted on OSDN.