-Here are the latest package for Tracker. -Note that the deb and the rpm are community provided and maybe are not update as the tarball. +Here is the latest stable release for Tracker. +Note that the deb's and the rpm's may be outdated.
It can trawl through your hard drive and index existing files and data stores.
--Short: Yes.
-Long: Tracker is able to detect the mime type of the file. In other words this means that if you want to search only for "foobar" in your mp3 collection, you can do it. Tracker will show you only the your mp3's files, and not all the other files (Documents/Video/...) that have foobar as title or content [see the next one]. +Tracker detects file mime types and further enables you to limit searchs to specific types of files (audio, video, text files, etc.).
--It depends on the type of the file. -For text file tracker retrieve all the information that it can, from the title to the content of the file. -For a music file, i.e.: mp3, it can retrieve the Artist, the Title of the song, the Album and more over. +Tracker indexes metadata info for media files (images, video, and audio files), and indexes entire file contents of other file types (html, pdf, docs, etc.) in addition to the metadata.
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-There is a Gtk2 gui for tracker. The name is tracker-search-tool. Check the screenshots to have an idea
-A Gui for the qt library is under development.
+There is a GTK-based GUI known as tracker-search-tool (here's the screenshots).
+A QT-based one which is under development and can be downloaded from Tracker's subversion sources.
Go to the Download section and take what fits better for your needs.
+Go to the Download section.