Use HoudahSpot to locate hard-to-find files and keep frequently used files within reach. HoudahSpot builds upon Spotlight, which comes preinstalled with OS X. It makes Spotlight both more powerful and easier to use.
This software is not reviewed yet.
HoudahGeo is a photo geocoding and geotagging tool. Use HoudahGeo to attach GPS coordinates and location names to your photos. HoudahGeo writes EXIF and XMP geotags to JPEG and RAW image files. Just like a GPS-enabled camera.
Tembo is an efficient search tool that is based upon the Spotlight engine. The job of Tembo is to make searching (and finding) of files, mail messages, bookmarks, ... as easy as possible.