Worldforge is a project aimed at developing "A Complete Gaming System for Massively Multiplayer Online Roleplaying." More information is available at www.worldforge.org

Atlas-C++ is the C++ implementation of the WorldForge networking protocol library.

Cyphesis is a very simple world simulator. NPCs that do things according to
rules. They have minds with simple input and output. They can
use/move/make things and have simple discussion. They can deduce
simple things (like where I can get these things and where I should
be). They have simple memory and use it too. They can have goals (like
build home for me or go to dinner).
This package includes the rules data, scripts and map data required for the
Mason game. Use this package if you intend to run an Mason server.

Eris is designed to simplify client development (and avoid repeating the same work several times), by providing a common system to deal with the back end tasks.

The WorldForge update tool initially was a Java tool designed to allow for easy updates of client media.
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This is the C++ port of the Java tool implemented as a library.

Mercator is a dynamic terrain generation library using pseudorandom, tiling algorithms.

varconf is a configuration system originally designed for the STAGE server. varconf can parse configuration files, command-line arguments and environment variables. It supports callbacks through libsigc++ 2.0.x and can store configuration data in configuration objects or one global configuration instance.

WFmath is a mathematics library for the WorldForge project, containing all the common mathematical operations needed for online gaming.