Download of SymbolTexture 9.3 for Mac was on the developer's website when we last checked. We cannot confirm if there is a free download of this app available.
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. The actual developer of this software for Mac is Abneil Software. The application lies within Design & Photo Tools, more precisely Viewers & Editors.
From the developer:
For Illustrator CS2 CS1 10
Plugin creates backgrounds / textures / designs / abstract designs / frames / based on symbols in the symbol palette.
The symbols can be any type of Illustrator path / images / text / paragraphs / meshes / gradients etc. The plugin is supplied with a number of bonus symbols but the native symbols or your own symbols can be used in the plugin.
You may want to check out more software for Mac, such as Umajin, MultiTouchFlickrViewer or Photoshop 101, which might be related to SymbolTexture.