Tolgee Platform
Developer & translator friendly web-based localization platform
... works great in the production environment. Once. That's how many times you have to click to take a screenshot from your application with highlighted phrases to translate. Just ALT + click a string and hit the camera button. Boom, screenshot generated. In-context translating also works in the production environment of your deployed app. Using the Tolgee Tools Chrome plugin, you can simply provide your API key and start translating.