Chaotica is free for noncommercial use, and can render up to 1.23 megapixel images (e.g. 1280x960 resolution) and up to 30 second 480p animations without a licence.
A Chaotica HD licence for casual users who want to create high quality desktop wallpapers up to 4 megapixels (e.g. 2560x1600) and 720p animations up to 3 minutes long is available at a very low price point.
The professional Chaotica Studio licence has no still image or animation limitations at all.
If you are interested in purchasing a licence please visit the Glare Technologies Store:
https://store.glaretechnologies.com/chaotica (Euros) or
https://store.glaretechnologies.com/chaotica?currency=USD (US Dollars)
Latest (2.x) version download links:
Microsoft Windows
Archive: chaotica_x64_v2.2.2.7z
Mac OS
Linux
Previous (1.x) version download links:
Microsoft Windows
64-bit archive: chaotica_x64_v1.5.8.7z
32-bit installer: chaotica_v1.5.8.msi
32-bit archive: chaotica_v1.5.8.7z