TinEye - Reverse Image Search to help find an image's source, duplicates or altered versions.
English-Hindi.net - English to Hindi Dictionary (Free). You can get meaning of any English word very easily. It has auto-suggestion feature which will save you a lot of time getting any meaning. We have a Chrome Extension and an Android App
GImageReader - gImageReader is a simple Gtk/Qt front-end to the Tesseract OCR Engine.
Google Translate - Google's free service instantly translates words, phrases, and web pages between English and over 100 other languages.
Yandex.Images - search for images on the internet, search by image
English to Urdu Dictionary - English to Urdu Dictionary is one of the best language learning application which emphasis on pronunciation of difficult words.