The 0.71 version of Panini 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. Panini for Mac belongs to Design & Photo Tools. We recommend checking the downloaded files with any free antivirus. The most popular version among the program users is 0.7. This free Mac application is a product of Panini.sourceforge.
From the developer:
Panini is a visual tool for creating perspective views from panoramic and wide angle photographs. More than a pano viewer, more than a view camera, with features of both.
An excellent and useful tool for altering image projections. a way more responsive and less resource-intensive than any flash viewer.
For Mac systems with OpenGL 2.0 +
You may want to check out more software for Mac, such as Movie2Shot, TVPaint Animation or Cuadro, which might be similar to Panini.