Below is the download link-list for several versions of gamabhan phonetic editor which can be used in offline mode. It also lists links for other gamabhana utilities.

Two flavors are available for download:
gamabhana LITE (with less features, less file size)
gamabhana PRO (with more features, bulky)


Instructions:

1. Click on the file of latest version from the list below to start download.
2. Message Box will appear with prompt to open and/or save the zip file.
3. select an option to save it to your computer. Note the path where you intend to download this file.
4. Once download is finished, open containing folder where this zip file is downloaded.
5. Extract the contents of zip file using winzip, winrar or windows unzip option.
   
6. Open newly created folder and locate index.html
7. Right Click on this file and choose option: Send to --> Desktop (create shortcut). This will place a shortcut on your desktop. If you have any shortcut for gamabhana created for earlier versions, remove them from desktop first and then create this new shortcut to avoid confusion.
8. Double click on the shortcut to open editor in offline mode.
9. If your browser has pop-up blocker it will block the gamabhana. Right click on the pop-up blocker bar and allow pop-ups for gamabhana. This will refresh the page. You are now ready to use gamabhana in offline mode.
10. Additional help on using gamabhana in offline mode can be found in Help Section.
    

Drupal 6 module can be downloaded from Drupal 6 Module Link
Drupal 5 module can be downloaded from Drupal 5 Module Link
Firefox Extension for Firefox V 3 and above at : gamabhana Firefox Extension
FontFreedom gamabhana Unicode Engine(Trial version) : FontFreedom gamabhana