Rev.com - Transcriptions, captions, and subtitles that are affordable, fast, and high-quality.

Crowdin - Localize your product in a seamless way

Gengo - People-powered translation at scale.

Weblate - Weblate is a free web-based translation management system.

Clickworker - Clickworker is a leading micro tasking marketplace, catering data management and web research services as well as AI algorithms training.

Translation.io - Translation.io allows you to localize Ruby on Rails applications using either `t('.