The new version of the indexed_search Extension can be downloaded here. It is compatbile with TYPO3 > 4.6 and will be part of TYPO3 4.7 officially.
T3X_indexed_search-2_13_0-z-201110270748.t3x - Indexedsearch.t3x (149.8 kB) Benjamin Mack, 2011-11-02 13:12
T3X_indexed_search_mysql-2_13_0-z-201110270748.t3x - Indexedsearchmysql.t3x (4.7 kB) Benjamin Mack, 2011-11-02 13:12