Unicode Hindi typing tool allows you to type easily in Hindi in a variety of layouts including Phonetic (Type as you speak), Remington (Krutidev), Inscript and Susha. Type in Unicode format in any Windows application like WordPad, Notepad etc.

You can also send emails in Hindi using outlook express, or even web-based clients like GMail, YahooMail etc, and the receiver will be able to see the text in Hindi.