Google Transliteration is the online tool to write in languages like Hindi, Telgu, Urdu, Arabic, Bengali, Gujarati, Kannada, Malayalam, Marathi, Nepali, Persian, Punjabi (Gurumukhi) and Tamil.

LiteType is an essential tool for everyone. It is an Online Virtual Multilingual Keyboard which helps you in typing, searching and translating in more than 50 foreign languages.

ChhotuGoogle is a nice tool to search in Hindi and Tamil. The site is powered by Google’s custom search and offers a very unique way to search in these Indian languages.

This cool iGoogle gadget by Google Labs will help you in composing search queries in some Indian languages; like : Hindi, Tamil, Urdu etc.