http://www.delgine.com/index.php?filename=product_deled

The Lite version has some limitations in the lighting part and other features (like text) but its modeling capabilities are as powerful as the ones in the pro version. You can download it here:
http://www.delgine.com/software/deled/do...esetup.exe

And most of the import/export plugins are free, grab them here:
http://www.delgine.com/plugins/viewPluginCategories.php

more tools to come!

regards,

Alvaro