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.
Crowdin - Localize your product in a seamless way
Bubble Translate - A mac menu bar app for translating
Tagaini jisho - Tagaini Jisho is a free to use Japanese dictionary.
Stepes - On-demand chat based translation app