A next-gen Ragnarok Online client

rAthena is an open-source cross-platform MMORPG server.

Hercules is a collaborative software development project revolving around the creation of a robust massively multiplayer online role playing game (MMORPG) server package. Written in C, the program …

An experimental, work in progress, Ragnarok Online emulator written with Node.js

A free/open source client and automation tool for Ragnarok Online

roBrowser is a free and open-source implementation of the Ragnarok Online MMORPG for web browsers written from scratch using the latest web standards (WebGL, HTML5, File API, Javascript, Threads, .…

This is a continuation of the original robrowser. All credits to the original creators and the new ones :)

A customizable, cross-platform patcher for Ragnarok Online clients.