Ripple Tank 1.0.3 for Mac could be downloaded from the developer's website when we last checked. We cannot confirm if there is a free download of this app available.
Please check the Mac app with an antivirus before launch as it is downloaded from the developer's website, and we cannot ensure that it is safe. The actual developer of this Mac application is Paul Falstad. The software lies within Education Tools, more precisely Teaching Tools.
From the developer:
Ripple Tank is a simulation of a ripple tank, or wave tank. With this application you can create your own experiment and save it for future reference. You can create objects (boxes, ellipses, walls, media) and move them around. You can also record videos.
You may want to check out more Mac applications, such as War of Tanks, Ripple or Ledger Wallet Ripple, which might be similar to Ripple Tank.
Teaching Tools