2D Open Source MMORPG
An OpenGL client-server game
GameWhizzards is a user created, Open Source 3D MMORPG
This is the UI I use to play World of Warcraft
Online Zombie Game is a medieval-zombie apocalypse rpg game.
Runescape 2007 / oldschool client with many features.
A simple tool to help you find player information on RuneScape.
For Lotro-minstrels a buff-window shows active ballads and anthems.
An Open Engine for use on the OUYA
Modular Minecraft server plugin - commands, events, ...
War of Respect is an online turn-based MMORPG in 2D-anime style.
RAW - A game where MOBA becomes sandbox