Linguee - English Dictionary and Translation Search with 1,000,000,000 example sentences from human translators. Languages: English, German, French, Spanish, and Portuguese
Google Translate - Google's free service instantly translates words, phrases, and web pages between English and over 100 other languages.
SpanishDict - Find out why SpanishDict is the web's most popular, free Spanish translation, dictionary, and conjugation site.
Mate Translate - Ultimate translation app for Mac, iOS, Chrome and many more
LexBook - Discover all that is hidden in the words. Find synonyms, uses, trends, statistics and much more. English dictionary with many images and usage examples.
Ludwig.guru - Linguistic search engine and contextualized translator. The final solution for your writing doubts!