roBrowser is an open source project based on the game Ragnarök Online. It’s not afficiliate by anyway with Gravity. The concept is to reproduce the game using awesome new web technologies (HTML5, Javascript, WebGL) to bring it to Web Browsers.
Since roBrowser run into a Web Browser, it also mean it’s cross-plateform and can run into multiples OS (Windows, Linux, Macintosh, …) instead of the original client limited to Windows. It should also run fine on others devices ( televisions, smartphone, tablettes, computer) if the device support openGL ES 2.0 and is enough powerfull to support the game.
Requirements: WebGL, JavaScript, HTML5, and more
Demo: http://www.robrowser.com/
License: GPL License