Hi,
Xoops Digger is search engine for Xoops and another system, main features are:
* Result Displayed by ranks
* Total weighting control for part of documents (title,description...), whole documents and modules
* Can index document content
* Search can be limited to some modules
* Common words exclusion
* Display fully customisable throught theme layout

Please come and see us at http://xoopsdigger.sourceforge.net
Please pay attention that XoopsDigger is still in alpha release and may contain some bugs...