Downloading SPIERS 2.20 for Mac from our website was free. The most popular version of the program is 2.2. The software lies within Design & Photo Tools, more precisely Viewers & Editors. The common filename for the application's installer is spiers_osx_214.pkg. The actual developer of this free software for Mac is Mark Sutton, Russell Garwood. The program is sometimes referred to as "SPIERSalign2", "SPIER".
From the developer:
SPIERS (Serial Palaeontological Image Editing and Rendering System) is a package of three programs for the reconstruction and analysis of tomographic (serial image) datasets.
SPIERS consists of:
- SPIERSalign - tool to allow manual aligning (registration) of images in serial datasets (not required for CT data), and to crop data to 3D region of interest.
You may want to check out more Mac applications, such as QuickShow OSX, Stone Studio or PhotoDesireeExpress, which might be similar to SPIERS.