Lokalise - Localization tool for software developers. Web-based collaborative multi-platform editor, API/CLI, numerous plugins, iOS and Android SDK.
Mate Translate - Ultimate translation app for Mac, iOS, Chrome and many more
Bablic - Localize your website in any language, within minutes.
Google Translate - Google's free service instantly translates words, phrases, and web pages between English and over 100 other languages.
SDL Trados Studio - SDL Trados Studio is the complete translation environment for language professionals who want to edit, review and manage translation projects.
iTranslate Keyboard - Realtime Translation in any messaging app