Open Path is an open source, browser-based, online RPG. It aims to be the best game engine available, boasting many inbuilt features that most frameworks don't have. It is fast, powerful, robust, and free (speech and beer).
A MMORPG game focused around the malleability of a 'sandbox' world. Focused on learning more about living in the real world. Item creation, vast map with natural boundaries. AI systems. Projected to be an educational yet fun game.