Apache Solr for TYPO3 - Enterprise Search
Apache Solr for TYPO3 is the enterprise search server you were looking for with special features such as Faceted Search or Synonym Support and incredibly fast response times of results within millisec
ipandlanguageredirect
TYPO3 extension to redirect a user based on location and browser language.
ke_search Suggest
Autocomplete functionality for ke_search
comsolit Suggest
This Plugin extends the TYPO3 searchform with an autocomplete and suggest feature of words indexed from Ext:indexed_search based on a ajax request and typeahead lib, simple add just class="typeahead"