Google Translate - Google's free service instantly translates words, phrases, and web pages between English and over 100 other languages.
BabelNet - The largest multilingual encyclopedic dictionary and semantic network
mText2Speech - Break down language barriers and instantly translate between over 90 languages.
LibreTranslator - Android translation app with translations from LibreTranslate
Spanish to English - Instant Spanish to English translation. Thousands words and phrases available!
DeepL Translator - DeepL Translator is a machine translator that currently supports 42 language combinations.