SDL TRADOS - Computer-Assisted Translation tool, enabling the use of Translation memory.
POEditor - The translation and localization management platform that's easy to use *and* affordable!
Google Translate - Google's free service instantly translates words, phrases, and web pages between English and over 100 other languages.
Transifex - Transifex makes it easy to collect, translate and deliver digital content, web and mobile apps in multiple languages. Localization for agile teams.
DeepL Translator - DeepL Translator is a machine translator that currently supports 42 language combinations.
Crowdin - Localize your product in a seamless way