Headless CMS

Part of the worlds-biggest-software-project initiative.

An API-first, open-source content platform with AI enrichment and agentic workflows built in from day one.

Headless CMS is a candidate project for an API-first content management system designed for developers, marketing teams, and enterprise architects building composable digital experiences. It targets the gap between expensive enterprise SaaS platforms and minimal open-source options by combining structured content modelling, multi-channel delivery, and AI-native authoring assistance in a single self-hostable platform.

Why Headless CMS?

Enterprise incumbents like Contentful start at roughly $300/month and reach $81,000+ annual contracts, pricing out smaller teams that still need composable architecture.
Open-source options such as Strapi and Payload CMS offer full data ownership but carry infrastructure management burden and trail SaaS competitors on commercial features and ecosystem maturity.
Visual editing leaders like Storyblok scale poorly at the enterprise tier, while data-centric platforms like Hygraph remain less accessible to non-developers — no incumbent combines both strengths.
AI capabilities (auto-tagging, AI writing, automated translation, GEO for AI search) have shifted from nice-to-have to baseline expectation in 2026, but are unevenly distributed across incumbents and often gated behind premium tiers.
The global headless CMS market is approximately $3.94 billion in 2026 and projected to reach $22.28 billion by 2034 (CAGR over 21%), creating room for an AI-native open-source alternative with commercial feature parity.

Key Features

Content Modelling and Delivery

Flexible schema definition with relationships and references
REST API for client applications, with GraphQL for precise field selection
Multi-locale support for delivering content across languages and regions
CDN-backed global content delivery
Versioning and history with revert to prior versions

Authoring and Workflows

Draft to Review to Approve to Publish lifecycle
Role-based access controls and user management
Media management for uploading, organising, and serving images and files
Real-time collaboration with multiple editors on the same content
Component and slice library of reusable content blocks

Integration and Extensibility

Webhooks for triggering downstream workflows on content changes
Content federation to query external APIs and combine results at runtime
Visual page builder with drag-and-drop interface for non-developers
Full-text search and indexing across content
Plugin and SDK integration with major frontend frameworks

AI-Augmented Authoring

AI content enrichment that auto-generates SEO metadata, structured data, alt text, and summaries
AI writing assistant for tone, clarity, and brand voice suggestions
Agentic workflows for bulk updates, content migrations, and compliance audits
Semantic linking that suggests internal links and related content
Intelligent translation with human review queues for high-stakes content

AI-Native Advantage

AI is treated as a first-class capability rather than a premium add-on. The platform supports an enrichment pipeline that generates SEO metadata, alt text, and summaries on publish, an agentic workflow layer that monitors traffic signals and drafts variants of underperforming content for editorial review, a semantic content graph that surfaces internal linking and related-content suggestions, and an AI moderation layer that flags brand voice, legal, and accessibility issues before publication.

Tech Stack & Deployment

The project is intended to be self-hostable with full data ownership, following the open-source pattern established by Strapi (Node.js, MIT) and Payload CMS (TypeScript-native). It exposes both REST (OpenAPI 3.x) and GraphQL APIs as standard, supports webhook-driven event pipelines, and aligns with content delivery patterns built on CDN and edge runtimes for sub-100ms responses. Standard SDK targets include Next.js, Nuxt, and other major frontend frameworks.

Market Context

The global headless CMS market is approximately $3.94 billion in 2026, projected to reach $22.28 billion by 2034 at a CAGR exceeding 21%; the commerce sub-segment alone is $2.55 billion in 2026 (Research and Markets, 2026). Incumbent SaaS pricing ranges from free tiers to $81,000+ annual enterprise contracts, with mid-market plans clustered between $99 and $300 per month. Primary buyers are frontend and full-stack engineers, digital marketing directors, e-commerce teams decoupling storefronts, and enterprise architects designing composable stacks.

Project Status

This project is in the research and specification phase.
Contributions, feedback, and domain expertise are welcome.

Contributing

We welcome contributions from developers, domain experts, and potential users. See CONTRIBUTING.md for guidelines.

Important: All contributions must be your own original work or clearly attributed open-source material with a compatible licence. Copyright infringement and licence violations will not be tolerated and will result in immediate removal of the offending contribution. If you are unsure whether a piece of code, text, or other material is safe to contribute, open an issue and ask before submitting.

Licence

Licence to be determined. See discussion for context.