Webglimpse
Webglimpse can index and search any collection of documents you choose - local files including PDF, MS Word and any others with available filter; and remote files spidered from specified websites. Flexible rules allow you to control output format, ranking of hits, which links are spidered. Language templates include Spanish, German, French, Italian, Norwegian, Finnish, Hebrew, Arabic and more. The core indexing program is in C, and is scalable up to 100s of Gb of data. Web & command line administration interfaces for managing archives. Partnership with SearchFeed allows webmasters to add sponsored links easily to generate revenue from site visitors.