Fluvio is a solution for real-time 2D/3D fluid physics. It is fully integrated with the editor and compatible with desktop, web player, WebGL, console, and mobile platforms.
Fluvio can simulate both liquids and gases with hardware acceleration, with a custom plugin system to extend its functionality.
Hardware acceleration is supported on Windows (through OpenCL or DX11), Mac (OpenCL), and we are hard at work at enabling hardware...
Fluvio - Fluid Dynamics for Unity