What are some alternatives?
When comparing Dictionary.com and QuestSoft QTranslate, you can also consider the following products
GoldenDict - The program has the following features: Use of WebKit for an accurate articles' representation, complete with all formatting, colors, images and links.
Linguee - English Dictionary and Translation Search with 1,000,000,000 example sentences from human translators. Languages: English, German, French, Spanish, and Portuguese
Lingoes - Lingoes is an easy and intuitive dictionary and text translation software.
Google - Google Search, also referred to as Google Web Search or simply Google, is a web search engine developed by Google. It is the most used search engine on the World Wide Web
Wiktionary - Open Source wiki-dictionary by the Wikimedia foundation
Apertium - To see the whole list of general documentation pages written in English, see documentation in English. Pour ceux qui sont plus à l'aise avec la langue française, une partie des pages anglaises a été traduite.