Aura

Aura is an open-source server emulator, written in C#. It's solely being developed for educational purposes, learning about programming, MMORPGs, maintaining huge projects, working with other people, and improving knowledge. It's not about playing a game, or competing with any services provided by Nexon or its partners, and we don't endorse such actions.

Aura is completely free and licensed under the GNU GPL. As such, every user is free to use Aura, and choose how to use it.