What are some alternatives?
When comparing Lang API and Mailtranslate, you can also consider the following products
Mate Translate - Ultimate translation app for Mac, iOS, Chrome and many more
Localize - Localize is translation software that automatically converts the content of your website or app into multiple languages.
Translatr - Translate words into multiple languages at once
Weblocale - Localization management with automatic translation
Weglot - Translate your website instantly, no code required
Voog - Voog is a mess-free platform that enables you to build awesome websites with a creative flow.