Porthole 1.7.10 for Mac was available to download from the developer's website when we last checked. We cannot confirm if there is a free download of this app available. This software for Mac OS X is a product of Danger Cove.
The latest version of the application can be downloaded for Mac OS X 10.6 or later. This application's bundle is identified as com.dangercove.Porthole. The application's installer is commonly called porthole-latest.dmg. The software relates to Audio & Video Tools. The following versions: 1.7 and 1.2 are the most frequently downloaded ones by the program users. We recommend checking the downloaded files with any free antivirus.
From the developer:
Porthole is a tool that lets you stream the music from your favorite music player such as Spotify or Pandora to your Airplay speakers, Apple AirPort Express and Apple TV.
Porthole focuses on being elegant and simple to use. The setup wizard will have you going in no-time. De-cable your living room and start enjoying wireless music throughout your home.
You may want to check out more software for Mac, such as Dolphins 3D Lite or Dolphins 3D, which might be related to Porthole.