eBazm Urdu Dictionary: Urdu-English dictionary and Urdu poetry mailing list. (Roman Urdu)
Lafz - Urdu Words and Their Meanings: Daily e-mail newsletter helps subscribers build vocabulary by sending a word each day, not in Urdu script, with definition and a sher (couplet) where the word has been used. Alphabetical archives included.
Navin's Urdu-English Dictionary: Urdu-English Dictionary with information on Word Origin (Roman Urdu)
Platts Dictionary of Urdu, Classical Hindi, and English.: In Roman and Devangari alphabets. Enter Urdu or Hindi word to see the English description.
Urduseek.com Urdu English Dictionary: First Online English to Urdu dictionary where users can view Urdu meanings in Urdu font. This dictionary also provides english to urdu, urdu to english word search. (Urdu Nastaliq)
UrduWord.com: Searchable English to Urdu dictionary. Displays Urdu script without requiring fonts. Also has an Urdu Word-of-the-Day feature and interactive Urdu content for other people to place on their website. (Urdu Naskh, Roman Urdu)
Vaneeta's Urdu - English Dictionary: Urdu words in songs, ghazals, urdu poetry, and day-to-day conversation.
Yasir Ahmed's Urdu-to-English Dictionary: Urdu-to-English dictionary navigable using frames. Includes word origin and form.(Roman Urdu)