
Contentful
Sanity.io
DatoCMS
Strapi
Payload CMS
Prismic
GNOME
Cosmic JS is an API-first Headless CMS for building content-powered apps in any programming language.

Developer documentation that anyone can edit

Which is more popular?
Based on our record, Cosmic JS seems to be more popular. It has been mentioned 2 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | cosmicjs.com | opendevdocs.com |
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| Listed in |
In their own words, as submitted to SaaSHub.


Cosmic JS provides a web dashboard to model and create content plus API Tools and Resources to integrate content with any website or app.
No description of Open Devdocs yet.
What each product offers, as listed by its team.


Possible disadvantages
No features have been listed yet.
An editorial look at what each product does well and who it suits.


No analysis of Cosmic JS yet.
Overall verdict
Why this product is good
Recommended for
Walkthroughs and reviews on video.
Using Cosmic JS as a Headless CMS with Gatsby
More videos
No Open Devdocs videos yet. You could help us improve this page by suggesting one.
How often each product is chosen within a category, 0–100% relative to the other.


Share your experience with using Cosmic JS and Open Devdocs. For example, how are they different and which one is better?
External articles and on-site reviews we used to compare the two products.


Cosmic JS is a cloud-hosted headless CMS platform that provides both RESTful and GraphQL APIs. The platform features content modeling, localization, webhooks, media management, as well as a WYSIWYG editor where you...
We have no reviews of Open Devdocs yet. Be the first one to post
Recommendations tracked on public social media and blogs since March 2021.


It's no doubt that a company with a good connection to their users does better. This is especially true for a company offering a software based product. Upon exploring the Cosmic website, I quickly found a link to join the Cosmic Slack... - Source: dev.to / about 4 years ago
In this tutorial, I'm going to show you how to create a simple Blog application using Astro, and Cosmic CMS. Without further ado, grab some coffee & let's build a cool app! - Source: dev.to / almost 5 years ago
Tracking Open Devdocs since Jan 2023.
When comparing Cosmic JS and Open Devdocs, you can also consider the following products.

You don't need another CMS. You need a better way to manage content — unified, structured, and ready to deploy to any digital channel.
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Sanity.io a platform for structured content that comes with an open-source editor that you can customize with React.js.
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Connect DatoCMS to your favorite site generator, build the perfect backend and deploy anywhere you like.
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Manage any content. Anywhere. The leading open-source headless CMS. 100% JavaScript / TypeScript and fully customizable.
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Headless CMS and Application Framework built with Node.js, React and MongoDB
Compare Payload CMS to Cosmic JS or Open Devdocs:

prismic.io is a web software you can use to manage content in any kind of website or app. API-driven.
Compare Prismic to Cosmic JS or Open Devdocs: