These emulators offer various levels of customization, stability, and support, allowing you to create and run your own Ragnarok Online private server.
Website: https://github.com/rathena/rathena
Description: rAthena is one of the most popular open-source emulators for *Ragnarok Online*. It supports both Renewal and Pre-Renewal mechanics and offers extensive customization for private servers.
Website: https://herc.ws
Description: Hercules is a widely-used *Ragnarok Online* server emulator, known for its performance and stability. It supports extensive customization for private servers with regular updates.
Website: https://gitlab.com/KingFight/eAmod
Description: eAmod is an extension of the classic eAthena emulator, providing additional features and improvements. It is suited for those looking to build modified *Ragnarok Online* private servers.
More related stuff : Ragnarok Online private servers, Ragnarok Online FAQs