GoldenDict - The program has the following features: Use of WebKit for an accurate articles' representation, complete with all formatting, colors, images and links.
Lingoes - Lingoes is an easy and intuitive dictionary and text translation software.
Dictionary.com - Dictionary.com is the world’s leading digital dictionary. We provide millions of English definitions, spellings, audio pronunciations, example sentences, and word origins.
Google Translate - Google's free service instantly translates words, phrases, and web pages between English and over 100 other languages.
ColorDict - colordict has one repository available. Follow their code on GitHub.
Linguee - English Dictionary and Translation Search with 1,000,000,000 example sentences from human translators. Languages: English, German, French, Spanish, and Portuguese