POEditor - The translation and localization management platform that's easy to use *and* affordable!
Alexa Translations - Breaking The Language Barrier™
Crowdin - Localize your product in a seamless way
PROMT Translator - PROMT Free Online-Translator.
Weblate - Weblate is a free web-based translation management system.
DeepL Translator - DeepL Translator is a machine translator that currently supports 42 language combinations.