Alexis Kestler
A headless CMS can take your content strategy to the next level with its impressive capabilities compared to traditional CMS systems. The problem with traditional CMSes is that they bundle the frontend and backend together, which makes changing designs and optimizing performance difficult. These solutions lock your content and code together in one place, increasing friction when you want to reuse content across platforms.
But publishing high-quality, valuable content consistently is critical if you want to grow your online presence, convert more visitors, and scale your business. Headless CMS can help you meet these demands with more flexibility, performance, and scalability. That’s why this architecture is trending now, and companies are switching over.
According to a report, the global headless CMS market was $328.5 million in 2019. This is expected to reach $1.628 billion by 2027.
Now you can find many vendors offering headless CMS solutions, including paid and open-source options.
So if you need the best open-source headless CMS for your next app, we‘ve compiled some excellent ones here. Check them out!
But first, let‘s understand what headless CMS is and why using it makes sense.
What is Headless CMS?
A headless CMS is a content management system (CMS) that separates the backend content repository from the frontend delivery. It has no frontend, only a backend to store assets and content with an API to deliver that content.
For context, a CMS is software used to create, manage, and publish content easily. Even non-technical users can build a website and publish content with a good CMS like WordPress.
Back to our topic – a headless CMS handles content without any presentation layer or frontend. Instead, the content stored in it is accessed via API calls and delivered anywhere needed – websites, mobile apps, IoT devices, etc. It‘s a more flexible type of CMS that also removes the need for web hosting, making maintenance easier.
How Does Headless CMS Work?
Traditional CMS systems use monolithic architecture where the frontend and backend are coupled together simply. This means the site presentation layer (frontend) and content storage (backend) are bundled as one.
Let‘s understand this using WordPress as an example. Its frontend is limited – you can only tweak templates, icons, etc. but can‘t completely customize it. It also constrains content operations, design flexibility, optimization, and performance.
Headless CMS solves these issues by removing the frontend entirely. It runs purely on the backend, delivering content via APIs to the frontend. This gives developers full control over design, performance, and content distribution. Frontend teams can work with any framework, tool or language without worrying about content, which is published independently. You can design the frontend however you want and focus more on creating content.
Benefits of Headless CMS for Modern Businesses
Decoupling the frontend and backend offers many advantages for developers and content teams:
Increased Flexibility
Unlike traditional CMSs that bundle everything – content, CSS, HTML – limiting reuse, headless CMS offers ultimate flexibility in design, performance, and distribution by separating concerns. Developers can work with any framework, tool or language without worrying about content, which is published via API independently. You can design the frontend as needed and spend more time creating content.
Scalability
With headless, you can manage content easily from one place and update frameworks, languages, etc. without affecting content. Using a cloud-based architecture also lets you scale seamlessly without downtime. You can even customize your site on the fly.
Seamless Integration
Headless CMS systems integrate smoothly across modern devices, platforms, and technologies. You can publish your content anywhere consistently with great performance. It also integrates easily with multiple languages and codebases.
Enhanced Security
Since the frontend and backend are separate, compromising one won‘t affect the other. This is far more secure than traditional coupled systems. The single API touchpoint between your tech stack and content also minimizes your attack surface.
Lower Maintenance
Removing the frontend makes maintenance easier for your team. It reduces overhead in terms of effort, time, and money while improving collaboration as teams can share things easily.
Given these significant benefits, transitioning to headless CMS is a wise move. And you‘ll find plenty of options out there – paid and open source. Here are some of the best open-source headless CMS systems to consider:
Strapi
Get the leading open-source headless CMS for your next app with Strapi. It‘s developer-first, customizable, and 100% JavaScript making it easy to build a fast, customizable, self-hosted content API.
Strapi is open source with the codebase maintained publicly on GitHub by many contributors.
Customizing the API and admin panel is straightforward. You can also extend the CMS in seconds with custom plugins.
The API works with various clients like Vue, Angular, React, IoT devices, or mobile apps using GraphQL or REST.
Maintain data privacy with self-hosted content and control costs. It lets you quickly build flexible data structures and relations to design rich content models. You can manage content types smoothly.
You can deploy Strapi on any traditional host like Render, AWS, Azure, Heroku, etc. Giving you hosting flexibility for your sites.
Get the free, open source version with limited features. Paid plans start at $9/month per admin for more benefits.
ApostropheCMS
Get a flexible, robust open source site builder with ApostropheCMS. It‘s great for SaaS companies, enterprises, universities, agencies and more.
It enhances digital experiences from one intuitive dashboard and lets you customize a no-code website factory via a modern tech stack. The drag-and-drop editor empowers editors to make real-time changes. Visual design tools allow dynamic styling without breaking brand guidelines, accelerating your time-to-market by 10x.
Integrate your tech stack – Express, MongoDB, npm, Vue.js, Node.js – with flexible native content APIs.
The single dashboard provides all the tools so you won‘t have to hunt for the perfect one. Integrate with Jamstack to build robust custom solutions. Get an extensible, modular system that supports custom plugins and best-in-class plans tailored to your goals.
Book a demo to see how headless CMS can transform your website building.
Webiny
Webiny is an open source, serverless CMS that provides flexible, scalable, and agile tools to manage and deliver content. It offers individual components across teams – from developers to marketers – tailored to their needs.
Webiny Headless CMS is GraphQL-based with powerful modeling capabilities. It enables landing page creation in minutes with fine-grained permission control. Manage multilingual content across websites with built-in multi-tenancy.
The Webiny application framework delivers everything you need to build, architect and deploy serverless apps. It also offers an omnichannel content hub. Advanced filtering and search enable fast performance.
Make content changes anytime via the powerful API. Webiny API allows creating and modifying content models programmatically with complete access control.
It‘s scalable, secure, low-cost, gives data ownership and permissions control. Create full-stack serverless sites for free with the CMS, framework, and community support. Get custom pricing tailored for your business.
Directus
Experience the best open data platform for turning SQL databases instantly into beautiful no-code apps and APIs with Directus. It‘s purpose-built for developers.
The modular codebase is fully JavaScript, leveraging Vue.js 3 and Node.js for top performance and easy extensibility. You get complete control over your existing or new database without migrating to a proprietary data model.
Manage content for any app, kiosk, digital signage, website or digital experience. Directus is flexible for endless solutions – from SaaS to analytics.
It provides dynamic GraphQL and REST APIs using your database schema via introspection. Start building in the self-service cloud or on your infrastructure. Learn more and power your projects with Directus starting at $25/month.
You can deploy Directus in one click on Kamatera
Squidex
Squidex enables you to manage content the modern way without needing other systems. It provides one place for structured, centralized content with seamless integration to other systems.
All changes are handled via a versioning system, letting you compare versions and roll back if needed.
Seamless integrations allow your content to react to changes automatically. You can syndicate blogs to Medium or tweets for example.
Squidex simplifies your workflow by eliminating complex rules for reviewing and publishing content. Implement custom rules using the powerful workflow engine.
It‘s open source, built for developers with a top-tier codebase. Squidex is also easy to extend, secure, accessible and maintain – making it great for enterprise-grade solutions.
Sign up free and start building today.
Ghost
Start your headless CMS journey with Ghost to build independent, beautiful publications. Follow its guide to get set up locally and in production. It supports Ubuntu for self-hosted instances. Use the same guide to build custom themes and templates.
By understanding Ghost‘s configuration and architecture, you‘ll be equipped to build new sites, apps, etc. The open source theme starter framework accelerates custom theme development.
The REST API enables managing content programmatically. Integrate it into various frontends like custom static sites or frameworks. Connect with communities on GitHub, Stack Overflow and more to learn and share knowledge.
Try it free for 14 days and unlock more benefits with paid plans suited for creative businesses.
Netlify CMS
Build faster, flexible web projects by using Netlify CMS along with a static site generator. It lets you manage Git-based content workflows and publish to any static site generator. Netlify CMS stores content in Git for version control and collaboration. It also enables multi-channel publishing and handles content updates within Git.
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Choose from pre-built templates for static site generators and deploy in one click to a global CDN.
You can use modern tools to deliver more secure, scalable and faster sites. Editors get an intuitive workflow and UI tailored for content management with live preview, drag-and-drop media uploads, and rich formatting.
Sanity Studio
Get freeform customization and rapid configuration with Sanity Studio, an open source CMS built on React. Its plugins and toolkits help you create custom workflows to manage content your way.
As a single page React app, you can install plugins or build your own. Describe content models, validations, and UI structures in JavaScript to see changes instantly.
Experience the freedom to render data next to editing, reorganize navigation, and work comfortably without losing modern editor features. Get document history, building block previews, touch device optimization, direct image pasting, and more.
Use plain JavaScript objects to quickly configure UIs and schemas. Install interfaces for data models and workflows. Get started free or pay $99/project/month.
Plone
Plone is an enterprise open source CMS with responsive themes, multi-lingual support, and a variety of content types out of the box. Plone offers incredible customizability and functionality.
It combines advanced features and security with easy-to-use modern web technologies. Plone comes with Dexterity content types and Diazo theming alongside Python 3 support. It also provides a REST API that acts as a headless CMS to power JavaScript frontends.
Access sample sites built with Plone to experience real-world examples of its capabilities and integrations. It offers self-guided learning resources to get up to speed quickly. You can also join the welcoming community for discussions.
Flextype
Get Flextype for flexibility, speed and productivity when building and managing content. Its elegant architecture and built-in caching makes it an ultra-fast CMS.
When building Flextype, the focus was simplicity and flexibility to deliver a straightforward yet powerful API. The control panel enables using any editor to write content. You get full programmatic control via the REST API and compact JSON responses.
Flextype provides unlimited fields and dynamic content through flat files. You can also control versions via Git or another version control system.
It‘s great for websites, native apps, kiosks, game data, SaaS platforms, wearables, e-commerce and more.
Get the open source platform to grow your business today.
Keystone
Build content faster and more scalable with the Keystone Headless CMS. Just describe your schema and get awesome auto-generated Admin UI and GraphQL APIs for your data and content.
Ship production-ready code without compromising the flexibility of a custom backend. Keystone offers field types, access control, database migrations, filters, relationships, hooks and more.
The Admin UI is intuitive and shapes content to your needs. It provides a next-gen rich text editor and BYO React customization. Deploy anywhere – Heroku, Render, DigitalOcean or your own infrastructure. It fits your git-based development workflow with CI/CD automation.
Build apps, sites, mobile apps, commerce and more efficiently with Keystone. Empower your team and business. Get started free today with 5-minute starters, zero lock-in, and example projects.
Conclusion
Headless CMS offers a modern, flexible way to manage and deliver content across channels with performance, scalability and useful features. If you‘re looking for an open source CMS, consider the options here based on your needs. For hosted solutions, explore this Headless CMS comparison.
