Anki

Created with students in mind, this program offers a series of exercises to boost memorization skills

Powerful app offering access to a 350,000-word dictionary right on your smartphone

Desktop dictionary with huge library and word associations

App for Windows that offers a convenient dictionary right on a desktop computer

Free software that allows people to translate from English to Tamil and back

Excellent dictionary and interface that is very easy to use

A free software that allows users to convert English to Hindi characters that can be used in a variety of different ways