Cosmic JS vs KeystoneJS

Cosmic JS and KeystoneJS are both popular headless CMS options for developers. Cosmic JS offers a user-friendly interface and powerful API capabilities, while KeystoneJS is known for its flexibility and extensibility through its modular architecture.

General information

Cosmic JS
KeystoneJS
Introduction :
Cosmic JS is a headless CMS that was launched in 2014. It is not open source but offers a flexible and scalable solution for developers and content creators. With its user-friendly interface, real-time collaboration features, and robust API capabilities, Cosmic JS has gained popularity among businesses and developers looking to build dynamic and customizable websites and applications.
Introduction :
KeystoneJS is a powerful open-source content management system and web application framework that was launched in 2013. It is popular for its flexibility, ease of use, and robust features such as database management, authentication, and dynamic routing. KeystoneJS is widely used for building dynamic websites and web applications, making it a popular choice among developers looking for a scalable and customizable platform.
Advantages :
  • Headless architecture for flexible content delivery
  • Scalable and reliable cloud infrastructure
  • Customizable content models and APIs
  • Real-time content collaboration and updates
  • Extensive developer tools and integrations
Advantages :
  • Easy to use and customize
  • Built-in user authentication and access control
  • Flexible content modeling with schemas
  • Active community and support
  • Scalable for large projects
Disadvantages :
  • Limited theme options
  • Steeper learning curve for beginners
  • Higher pricing plans
  • Limited third-party integrations
  • Less community support and documentation
Disadvantages :
  • Limited theme options
  • Steeper learning curve compared to some
  • Less community support than WordPress
  • Not as customizable as other platforms
  • Limited plugins and extensions available
Website users : Thousands
Cosmic JS is used by thousands of websites worldwide, making it a popular choice among developers and content creators.
Website users : Thousands
KeystoneJS is used by thousands of websites worldwide, making it a popular choice among developers for building dynamic web applications.
๐ŸŸก Difficulty : Average.
Getting started with Cosmic JS requires some familiarity with web development concepts, but their documentation and support resources can help navigate the learning curve.
๐ŸŸก Difficulty : Average.
KeystoneJS requires some familiarity with Node.js and MongoDB, making it average in terms of ease of getting started compared to other CMS platforms.
Year launched : 2017
Launched in 2017, Cosmic JS is a newer platform compared to others, offering modern content management solutions for developers and businesses.
Year launched : 2013
KeystoneJS was launched in 2013, positioning it as a relatively newer option compared to other content management systems.
Official website : https://cosmicjs.com/
Official website : https://keystonejs.com/


Commercial details

Cosmic JS
KeystoneJS
๐ŸŸก Open source : Partially.
Cosmic JS is partially open source, offering a limited version of the platform's code for customization and integration with other systems.
๐ŸŸข Open source : Fully.
KeystoneJS is fully open source and written in JavaScript, allowing for complete customization and community contributions.
๐ŸŸข Free option : Yes.
Free option available with limited features. Hosted option with ability to upgrade for more advanced features and functionality.
โšช Free option : Unknown.
KeystoneJS offers a free option, but the specifics regarding limitations or features of the free plan are unclear.
๐ŸŸข Paid option : Yes.
Paid plans offer more storage, bandwidth, and advanced features, making it a worthwhile investment for businesses needing scalability and customization.
๐ŸŸข Paid option : Yes.
KeystoneJS offers a paid option for additional features, hosting, and support, providing users with more comprehensive and tailored solutions.


Platform details

Cosmic JS
KeystoneJS
๐ŸŸข Hosted : Yes.
Cosmic JS offers a hosted option for users, providing a convenient and hassle-free solution for managing content online.
๐ŸŸข Hosted : Yes.
KeystoneJS offers a hosted option through various third-party vendors, providing users with the convenience of managed hosting services.
๐ŸŸข Self host : Yes.
Self-hosting is possible with Cosmic JS through various third-party vendors, offering flexibility and control over hosting environment.
๐ŸŸข Self host : Yes.
KeystoneJS can be self-hosted on various 3rd party vendors, giving users flexibility and control over their hosting environment.
๐ŸŸข Headless CMS : Support natively.
Cosmic JS is a headless CMS by design, offering robust API support for seamless integration with any frontend technology.
๐ŸŸก Headless CMS : Supported via plugin.
KeystoneJS supports headless features via its API, allowing for decoupled front-end development and content management capabilities.
๐ŸŸก Static content generation : Supported via plugin.
Static content generation is possible through popular plugins, offering flexibility for users who require this feature in their Cosmic JS projects.
๐ŸŸก Static content generation : Supported via plugin.
Static content generation is possible in KeystoneJS through plugins, offering flexibility for users to generate static content if needed.


Key features

Cosmic JS
KeystoneJS
๐ŸŸก Content management : Supported via plugin.
Cosmic JS offers robust content management capabilities through plugins, making it a good choice for managing content alongside other features.
๐ŸŸข Content management : Support natively.
KeystoneJS excels in content management with its native capabilities, offering robust tools for creating, editing, and organizing content efficiently.
๐ŸŸก Blogging : Supported via plugin.
Cosmic JS offers blogging capabilities through third-party plugins, making it a suitable platform for bloggers seeking additional features and customization options.
๐ŸŸก Blogging : Supported via plugin.
KeystoneJS can be used for blogging with the help of plugins like keystone-blog, offering basic blogging functionality but may require additional customization.
โšช E-commerce : Unknown.
Cosmic JS does not have native e-commerce capabilities, but it may be possible to integrate with third-party plugins for e-commerce functionality.
๐Ÿ”ด E-commerce : Not supported.
KeystoneJS is not specifically designed for e-commerce, lacking native features for online stores. It may require extensive customization or integration with third-party plugins.
๐ŸŸก Community forum : Supported via plugin.
Cosmic JS does not natively offer community/forum features but can be enhanced with third-party plugins for this functionality.
๐ŸŸก Community forum : Supported via plugin.
KeystoneJS can be used for a community/forum with the help of third-party plugins/extensions, offering flexibility and customization options.
๐ŸŸก Content subscription : Supported via plugin.
Content subscriptions/paywalls can be implemented through third-party plugins/extensions, offering flexibility but may require additional setup and maintenance.
๐ŸŸก Content subscription : Supported via plugin.
Content subscriptions/paywalls can be implemented using third-party plugins/extensions in KeystoneJS, enhancing its functionality in this area.


Other features

Cosmic JS
KeystoneJS
๐ŸŸก Multi-site : Supported via plugin.
Support for multi-site is available via a popular 3rd party plugin/extension, offering enhanced functionality for managing multiple sites within Cosmic JS.
๐ŸŸก Multi-site : Supported via plugin.
Multi-site functionality can be achieved in KeystoneJS through the use of third-party plugins or extensions.
๐ŸŸก Multi-language : Supported via plugin.
Multi-language support can be achieved through third-party plugins or extensions, enhancing Cosmic JS's capabilities in this area.
๐ŸŸก Multi-language : Supported via plugin.
Multilingual support can be achieved via plugins like keystone-multilingual or keystone-localisation, enhancing native capabilities.
๐ŸŸก XML Sitemaps : Supported via plugin.
Support for XML sitemaps can be enhanced by popular third-party plugins/extensions on Cosmic JS, providing flexibility and customization options.
๐ŸŸก XML Sitemaps : Supported via plugin.
XML sitemaps can be implemented through a popular 3rd party plugin or extension, enhancing the SEO capabilities of KeystoneJS.


When choosing between Cosmic JS and KeystoneJS, developers should consider their specific project requirements and preferences. Cosmic JS may be better suited for those looking for a more user-friendly experience, while KeystoneJS could be the ideal choice for developers seeking greater customization and control over their content management system.