Manage structured website content in an admin interface and deliver it through APIs.
100% free Community Edition (MIT). Unlimited content entries, locales, and API calls.

Developer tools
Manage SQL database content through an admin app and REST or GraphQL APIs.
Manage SQL database content through an admin app and REST or GraphQL APIs.
Turn any SQL database into an intuitive headless CMS with granular permissions, asset workflows and API endpoints using open-source Directus instead of Kontent.ai.
Requires existing SQL database infrastructure; enterprise SSO features (Okta/SAML) are in paid tiers.
Each comparison covers the workflow described above, rather than every paid feature.