What are the best open source headless CMS's?

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Cockpit

Top Pro

Open Source

Top Con

Small dev team supporting it

Russell Hutson's Experience

Used this for 3 years now in a corporate setting, for a variety of uses. Very flexible and does most things you need a headerless CMS to do. Call from PHP or JS, or anything which can do a GET. Plays nicely with IntercoolerJS See More

Top Pro

Cockpit Addons

Rich features addons like (GraphQL, ElasticSearch, Group Permissions) See More

Top Con

Built on slightly proprietary / little known framework

Top Pro

Free

Top Con

Documentation not a strong as it could be

Top Pro

Simple concepts: Regions and Collections

Top Pro

Flexible API

Top Pro

Webhooks

Top Pro

Works well with IntercoolerJS

Plone

Not only does this provides complete transparency to the user, it also enables a large base of developers to work simultaneously on solving any arising the issues and improving the platform. See More

Pros

Top Pro

Open source

Top Pro

Remarkable level of security

Plone has been around for almost two decades and to date less than 50 vulnerabilities were discovered in the platform. That's at least ten times less than any of the popular alternatives, including Wordpress, Drupal, and Joomla. In fact, government agencies, such as NASA and FBI use Plone for its high level of security. See More

Top Pro

Can run on virtually anything

Plone runs on Windows, Mac, Linux, Chromebooks, RaspberryPi, servers, and cloud services. See More

Top Pro

Multilingual UI and documentation

Plone platform along with all documentation is available in more than 40 languages, including Chinese, Japanese, Greek, Arabic, and Hebrew. See More

Experimental support for GitHub's GraphQL API is now available for the GitHub backend. Without mutation See More

Netlify CMS

Top Pro

Experimental support for GitHub's GraphQL API

Top Con

a lot of configuration

Example: a few plugins and some code are needed for gatsby-img or markdown to work See More

Top Pro

Easy Creating Custom Widgets option

The NetlifyCMS exposes a window.CMS global object that you can use to register custom widgets, previews, and editor plugins. The same object is also the default export if you import Netify CMS as an npm module. The available widget extension methods are: https://www.netlifycms.org/docs/custom-widgets/ See More

Top Pro

modern

Top Pro

open-source

Top Pro

Built in React.js

Kentico Kontent

Putting together an article is straightforward: you type the text into the main fields and then use drag and drop to add photos. See More

Superdesk

Top Pro

Easy to use

Top Con

Some times buggy

Sometimes, when trying to publish a post I was getting errors which was a bit annoying. However, after we updated to the latest version the instance was running smoothly. See More

TallPluto's Experience

I spent some time doing some freelance work for Sourcefabric, and I had been using Superdesk quite often. It was pretty cool to be honest, had a lot of automation functions and a real user-friendly interface. It's super useful for editors, as it does a sound job managing content and workflow. See More

Top Pro

Visual

The interface is clean and well designed. You can tell someone with a UX background worked on it and not just software engineers. See More

Top Con

Not one-click publishing

At least in our company’s system you need to do a couple of extra steps to publish an article. See More

DedicatedBarraiya's Experience

I have used Superdesk to publish articles for my company’s website. See More

Top Pro

Customizable

I like that you can set up a personal workspace and also add different widgets to your dashboard depending on what you’re interested in. See More

Top Pro

Newsroom Automation

Superdesk can aggregate and automate multiple mundane newsroom jobs See More

Easy to use, better than a spreadsheet, has enough functionality in a free version See More

Gridly

LD's Experience

Specs

Multi Language Support:Yes

Price:FREE

Image handling:Yes

Runs in any cloud:Yes

See All Specs

ButterCMS

Pros

Top Pro

Integrate with any language/framework

Cosmic

Multi Language Support:YES

Specs

Price:Free to Enterprise

Languages:all

GraphQL:YES

See All Specs

Gentics Mesh

Multi Language Support:Yes

Specs

License:Apache License 2.0

GraphQL:Yes

Squidex

Top Con

Un-debuggable Script Editors

You can't debug any of its in-built script editors See More

Top Pro

Open source

RespectfulFionnuala's Experience

For making reference screens / displaying invoices, user management and blog content, this tool was great for the team. However, when we tried to implement the more complex rules. its limitation shows compared to other established CMS already out there. See More

Top Con

Limited to SImple Content

Limited to simple displaying of contents but will struggle with complex business rules ie ones that require cascading drop-downs, complex nested documents, etc.. See More

Top Pro

Versioning

Top Con

References

It will allow you to delete references which are used by documents and when you come to open those documents, it will then perform its 'shake' logic to remove it (make it balnk') and will also disappear from history / versioning See More

Top Pro

Powerful rule engine for integrations

Top Con

UI can be messy to navigate for an editor

Top Pro

REST and GraphQL

Top Con

Small team

Top Pro

Slick UI

Top Pro

Generous free package

2 locales, 2 collaborators, many API calls See More