Compare GraphCMS vs. Contenta
GraphCMS is a CaaS (Content as a Service) provider based on GraphQL. It has been a GraphQL native since the very beginning and is currently the most popular GraphQL capable CaaS.
Contenta is a Drupal 8 distribution that aims to provide a headless, decoupled shell for Drupal 8.
CMSes vailable for comparison: BackBee, Bolt CMS, Concrete5, Contenta, Contentful, Cosmic.js, Craft CMS, Drupal 8, eZ Platform, Fork CMS, GraphCMS, Grav, Jarves, Joomla!, Kunstmaan, October CMS, Open Orchestra, Pagekit, Pimcore, PyroCMS 3, Reservoir, Spress, Sulu CMS, Symfony CMF, Symphony CMS