Traditional CMS or headless CMS
Traditional platforms such as Drupal, Vvveb, ProcessWire, Craft, and Statamic can manage content and render complete websites. Headless platforms such as Payload, Directus, TinaCMS, KeystoneJS, Webiny, and Marble focus on content APIs; teams generally build a separate frontend with a framework such as Next.js, Nuxt, Astro, or SvelteKit.
WordPress and Ghost
Ghost is a strong fit when WordPress is primarily used for publishing. It includes posts, themes, SEO, newsletters, memberships, paid subscriptions, and analytics. Its narrower scope is an advantage for publications and creators but makes it less suitable for arbitrary application development or broad ecommerce.
WordPress and Drupal
Drupal is the closest alternative here for organizations seeking another mature general-purpose CMS. Both provide themes, extensions, user accounts, structured content, multilingual features, APIs, and large communities. Drupal is particularly strong for structured enterprise content; WordPress has a much larger mainstream theme and plugin marketplace.
WordPress and Payload
Payload takes a developer-first approach: build a modern Next.js application around a TypeScript content and application backend rather than installing a theme and plugins. This can suit engineering teams but is less turnkey for users expecting WordPress-style installation and customization.
WordPress and Directus
Directus is useful when content already exists in a SQL database: it exposes data through REST and GraphQL and provides a configurable admin application. Its current Monospace Sustainable Core License 1.0 includes restrictions, so current versions should be treated as source available rather than conventional open source.
Git-backed and flat-file content
TinaCMS stores content in Git-backed Markdown, MDX, and JSON. Statamic combines Laravel with file-based content and Git workflows. Typemill stores Markdown without a database. File-based content can simplify version control, backups, deployment, and portability; these tools vary considerably in editorial features and licensing.
Licensing and project boundaries
Some projects publish open-source cores alongside commercial features; others publish SDKs while operating a proprietary hosted platform. Directus, Statamic, and Craft have custom source-available licensing. Builder's MIT repository covers SDKs and integrations, not the complete hosted platform. Comma's repository and license could not be confidently verified from the supplied project information.