Spotlight emulator is a widget for Yahoo Widget Engine that will emulate Mac OS X spotlight. Its using Google Desktop Search for the search engine so you need to install Google Desktop Search first before installing this widget.
To install with Toolbar Icon:
1. Change the extension from zip to widget.
2. Right click the Spotlight Icon and [...]

SearchSpy is an Spotlight clone.
Features:
- Works with or without Google Desktop (GDS), using it’s database or not. If you don’t want to use GDS, SearchSpy will index files itself, using an app called locate. Locate was made by Janne Huttunen and can be found here. Also, the installer will detect and chose the right option. [...]

Search your PC in Spotlight style! With two default skins — Blue and Graphite.
How To: No installation is needed. Simply extract to the folder Program Files / MacSearch and make the shortcut to the file MacSearch.exe in the folder StartUp.
Double click the tray icon to show the search field. The image file will be created [...]

i-Find is a clone of Spotlight…
-fast find
-Spotlight interface
-Filter
-Group by, sort by, where and when functions ARE WORKING !
-i-Find includes an English version ( right click on the i-Find bar, propriété, langue et interface, anglais.txt )
…
NEED GOOGLE DESKTOP SEARCH .
Developer : DeeTOX
Version : 0.1
Filesize : 2.8MB
Requirements: Google Desktop Search

Downloaded a total of 2496 [...]

Limelight is a skinnable interface for Google Desktop Search.
It is currently still under development, but you can download a preview version of it below.
Todo List for 0.2:
- Add images to the file links
- Make XML parser less compliant (GDS sometimes gives malformed XML)
- Add an options dialog
Developer : Shuo Zhang
Version : 0.1
Filesize : [...]

Getchoo reproduces the Spotlight application new to Tiger - but for Windows! It is a frontend for the Google Desktop system and hopefully soon for the MSN Search app.
Getchoo M3 seems to be a very stable build with all the basic features of a spotlight clone
* Fast searching
[...]

As the names says, this is an Spotlight clone, which uses the Google Desktop Search Engine to search for files in your computer. It searches as you type and display the search results as the original Spotlight does:
underneath the search box or in a separate window, organized by categories.
Spotlight Clone has a preferences panel [...]