UK India : learn to read Hindi in 18 lessons
if you'd like to learn to read the script, this is the place to go first to test your patience .
University of Pennsylvania : 3 lessons including audio
Hindi Script Tutor : Learning devanagari script
Some simple hindi sentences : with audio
Hindibhasha

Hindi Teacher
Syracuse university
Devanagari Script Practice
A door into Hindi

English to hindi dictionary : translation into devanagari script
English to hindi dictionary : translation into phonetic script
On line dictionary