I couldn't resist copying this from noen on the new Foundry forums -
With Modo 701 you now have the ability to use texture replicators
https://vimeo.com/67931800
That's in addition to the Enhance textures. So I don't see much of a need to use external texture generators. Still:
http://www.mapzoneeditor.com/?PAGE=HOME -- Substance Designer's mommy
http://xyrus-worx.org/ -- Pretty pretty
http://xyrus-02.deviantart.com/ -- Even more pretty
http://blog.hvidtfeldts.net/index.php/category/fragmentarium/ -- Serious fractal art
http://fract.al/ -- Fun time fractal art
http://structuresynth.sourceforge.net/ or http://meshlab.sourceforge.net/ Which can compile Structure Synth EisenScripts. -- Generative 3D objects
http://voxelogic.com/index.php?option=com_content&view=frontpage&Itemid=1 -- Obscure, not active.
If you're really serious there is only one:
http://processing.org/ -- Good way to learn to program too.
--
http://paulbourke.net/fractals/fracintro/
For more info.
thanks especially for structure synth!
:)
J