NHM Writer is a free application that enables that supports input through complex keyboards. The keyboards are basically XML files with the keystrokes encoded in them.

You can read more about using NHM Writer here. and installing keyboards here.

Below are the NHM keyboards files that I created/tweaked. To download the XML file, right the keyboard link and click “Save as..”.


Tamil Phonetic Extended – Keyboard : Manual

Tamil 99 Extended – Keyboard : Manual


e-Grantha Phonetic – Keyboard : Manual

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