Easyling is a WordPress translation plugin, suitable for DIY work, crowdsource translation or order the professional translation service.
Yes, 100% free. Easyling.com Website Translation also has got a free plan.
Yes. By design, it doesn't matter what theme do you use.
Yes! The Plugin is not worth much without an Easyling account. You can create one by visiting Easyling
It is necessary to "link" your WP Installation with Easyling so the plugin can download the translations from the Easyling application in the cloud.
Once you have an Easyling account and you get some translations done, navigate to the Easyling menu on your WordPress admin and simply click Retrieve Translations. The process may take up to a few minutes, but it's safe to close the browser, it happens in the background.
To date it has been tested with a standard WordPress 4.1 installation running Apache and MySQL on Ubuntu server, however there could be certain edge cases when the plugin is not 100% functional! If you happen to stumble upon such issue, just give us feedback and we’ll be happy to fix it.