Cosmic

Developer Tools Free · from $9/mo

About Cosmic

Cosmic is a headless CMS that gives developers the flexibility of an API-first platform and editors a visual interface to manage content. , it decouples the backend from the frontend, so you can build sites with React, Vue, or any framework.

What it does

You define content models (objects, fields, relationships) in the Cosmic dashboard. Content is served via REST or GraphQL API to any frontend. Editors use a drag-and-drop interface to create and update content without touching code.

Best for

Developers building Jamstack or static sites
Marketing teams managing multi-language content
Agencies delivering client projects with custom content models

Strengths

Visual editor with drag-and-drop content modeling
REST and GraphQL APIs
Built-in media manager with image optimization
Localization support for multi-language sites

Key features

Content modeling — Define custom object types, fields, and relationships
REST & GraphQL APIs — Fetch content with any frontend framework
Media manager — Upload, optimize, and serve images with CDN
Localization — Manage content in multiple languages from one dashboard
Webhooks — Trigger builds or sync content to external services
Role-based access — Control who can edit, publish, or manage settings

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