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

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

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 is very versatile and provides NPCs, warps and modifications. The project is jointly managed by a group of volunteers located around the world as well as a tremendous community providing QA and support. Hercules is a continuation of the original Athena project.

Multiplayer, fast-paced Moba style game

Extra bank space for Titan Quest Anniversary Edition

An unofficial english translation project for Korea Ragnarok Online (kRO).

基于 rAthena 官方源码，二次开发及修正的中文版

熊猫模拟器 - 基于 rAthena 进行改进增强的中文仙境传说模拟器

基于 rAthena 二次开发的中文仙境传说模拟器（Windows版本）

Python parser for the Titan Quest Anniversary Edition, Ragnarok, and Atlantis DLC database.

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

TQRespec - The respec tool for Titan Quest game

Esta macro pretende upar do nível 1 de base até o 99 de todas as classes do ragnarok no servidor Brasileiro

提供最新官方客户端（KRO / JRO）完整解档

Saga Revised is a server emulator for Ragnarok Online 2: The Gate of the World

Virus Package ( For Educational Purposes ;) )

可用于官方客户端（KRO / JRO）的中文补丁

LeeClient - 存储到 LFS 计划弃用

This is a lib to allow PHP to read and write GRF (Gravity Ragnarok Files).

Gutter line viewer for Ragnarok iRo

Open source Ragnarök Online client in C++

[WIP] A manifest of the various file types used in the Ragnarok Online MMORPG client

Clone Ragnarok-Mobile data (monsters, cards, equipment, items) and generate as JSON file from https://www.roguard.net

Simple library for loading Ragnarok Online GRF Files.

Ragnarok Coin Cryptocurrency (RAGNA)

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

Python server for "Ragnarok 2 The Gate of the World"

Reading GRF files of Ragnarok with Javascript

Painel de controle para Ragnarok Online brAthena

Multi-platform Ragnarök Online MMORPG client written in Go