We have a full Yoast SEO for TYPO3 module, both free and premium.
Thanks to Sebastian Helzle, Yoast SEO is now available for Neos CMS! This brings the SEO analysis to Neos to help editors improve content.
Yoast SEO for Drupal
We currently do not maintain a Yoast SEO for Drupal, because our relationship with its developer has ended. We're looking at new opportunities here so stay tuned.