Installing Searchine Site Search on a Drupal website
Drupal is (just like wordpress) a flexible popular open-source Content Management System. Many of our customers use Drupal and integrate it with Searchine.
Searchine Site Search works great on Drupal. At this moment we are working on even tighter integration with wordpress by delivering a drupal search module.
In the meanwhile, just follow the normal installation instructions you can find in this documentation portal.