Arianne is an engine to develop multiplayer online games like Stendhal
2D Open Source MMORPG
A multiplatform medieval 3D MMORPG
New version of PTkEI2, the cross-platform GUI client for Wolfpack Empi
Proyecto basado en L2jFrozen 1132
Second Life Notifyer: All your friends online - on your PC
Free MMORPG
Collection of Tools for Perfect World MMORPG
Provides a full suite of clients and servers for virtual worlds.
online 4X browser game engine
starrydb is game server engine
Alpha One is based on Vallheru
PvP, MUD RPG.
Python classes to work with Blizzards API
Character optimizer for the MMO.
Game engine allows you to create own MMORPG
ASH scripts for KoLmafia users
OpenKore is an automation tool for Ragnarok Online