When comparing Squidex vs Flextype, the Slant community recommends Flextype for most people. In the question“What are the best open source headless CMS's?” Flextype is ranked 2nd while Squidex is ranked 17th. The most important reason people chose Flextype is:
Define unlimited custom fields for any of your entries.
Specs
Ranked in these QuestionsQuestion Ranking
Pros
Pro Open source
Pro Versioning
Pro Powerful rule engine for integrations
Pro REST and GraphQL
Pro Slick UI
Pro Generous free package
2 locales, 2 collaborators, many API calls
Pro Dynamic Content Types
Define unlimited custom fields for any of your entries.
Pro Free
MIT-licensed open source project and completely free to use.
Pro No external DB required
Pro Built-in REST API
Provides APIs organized around Representational State Transfer (REST) for working with content.
Pro Version Control
It is easy to version control all content in Flextype with GIT or any other Version Control System.
Pro Flexible
Simple but powerful Core API's.
Pro Super Fast
Elegance architecture and built-in smart cache.
Pro Tokenized API
Cons
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..
Con Un-debuggable Script Editors
You can't debug any of its in-built script editors
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
Con UI can be messy to navigate for an editor
Con Small team
Con Same CMS repackaged
Same CMS that got regurgitated over and over for years.