.GMANIFEST file extension

This is the basic program to work with .GMANIFEST extension

Google Desktop

Google Desktop Google Gadget Manifest

Google Desktop makes searching your computer as easy as searching the web with Google. It's a desktop search application that provides full text search over your email, files, music, photos, chats, Gmail, web pages that you've viewed, and more. By making your computer searchable, Desktop puts your information easily within your reach and frees you from having to manually organize your files... (more)

The program works with the following extensions: gg, kml, kmz, eta, ggc and gmanifest

.GMANIFEST extension is also supported by the following programs:

Google Desktop Search

Google Desktop Search Google Gadget Manifest

Google Desktop Search, info when you want it, right on your desktop.
Google デスクトップ

Google デスクトップ Google Gadget Manifest

Google 桌面

Google 桌面 Google Gadget Manifest