Search for Search engines

Listed down here are some search engines i came across. If you know something much better than these search engines let me know in comments.

Files / Rapidshare search engine:

Gappon is a Google custom search engine which searches rapidshare, megaupload, badongo, sendspace, mediafire and zshare.
Download any stuff helps to find files shared in services like rapidshare, megaupload etc., using a Google custom search engine.
Filez is a rapidshare search engine.
Filestube makes easier to find any files in web.
Filesnatcher searches file sharing sites like Rapidshare, Badongo, Mediafire and more. Search for MP3′s, Videos, Software, Movies, Documents and Photos
Rapid library is a rapidshare search engine.

Pdf search engine:

Data-sheet is a pdf search engine in which you can search any eBook datasheet pdf files and download.
Pdf search engine searches pdf from different sources.

Music search engine:

wuzam is a new and innovative mp3 search engine.
Soungle is the simplest way to search and find sounds.
Find 10,000 more sounds and loops using Soundsnap.
lyricsfly search lyrics of more than 600,000 songs.
Stumble audio is an iphone like interface for music collection.
Toneshared has a larger collection of mobile phone tones by well known artist.
Find sounds helps search the web for sounds.

Photo’s search engine:

Tineye is a reverse image search engine. We already covered Tineye here at infonol.

Miscellaneous search engine:

Acronym finder is the world’s largest and most comprehensive dictionary of acronyms, abbreviations, and initialisms.
Error key is a Search engine for Error codes and messages
Dooblet finds alternatives to anything.
Isearch is a people search engine.
Viewzi uses Google and makes the search more graphical.
Tripeedo makes travel search easier.

Torrent search engine:

Usniff is a fast, easy to use, cool looking and free real-time torrent search engine that crawls 15 different torrent sites to give you the best results for your search.
Speckly is a torrent search engine.