CFDNet
From CFD-Wiki
CFDnet provides users with free, interactive, internet-based access to powerful server-side meshing, solving, and solution visualization routines for solving practical engineering problems in fluid flow. Users can access CFDnet through their web browsers using a Java interface. No software downloads or plug-ins are required, and a free version of CFDnet is available. CFDnet is used in undergraduate and graduate teaching of fluid mechanics.
