The 1.0 version of fluidity for Mac was available to download on the developer's website when we last checked. We cannot confirm if there is a free download of this app available. The bundle identifier for fluidity for Mac is com.nebulusdesign.fluidity-app.
The latest version of the program is supported on Mac OS X 10.6 or later. The application lies within Design & Photo Tools, more precisely 3D Modeling. The following version: 1.0 is the most frequently downloaded one by the program users. According to the results of the Google Safe Browsing check, the developer's site is safe. Despite this, we recommend checking the downloaded files with any free antivirus software. This free software for Mac OS X is a product of Nebulus Design.
From the developer:
Using state of the art fluid dynamics equations Fluidity allows you to control in real-time a beautiful and dramatically dynamic fluid simulation at your finger tips.
Keyboard controls enable you to modify the application settings while still playing with the fluid dynamics directly with the touch pad or mouse.
You may want to check out more software for Mac, such as FunBooth, Terragen 2 or Context Free, which might be similar to fluidity.