Mate Translate - Ultimate translation app for Mac, iOS, Chrome and many more
Google Translate - Google's free service instantly translates words, phrases, and web pages between English and over 100 other languages.
Linguee - English Dictionary and Translation Search with 1,000,000,000 example sentences from human translators. Languages: English, German, French, Spanish, and Portuguese
Bubble Translate - A mac menu bar app for translating
Spanish to English - Instant Spanish to English translation. Thousands words and phrases available!
Stepes - On-demand chat based translation app