When comparing TYPO3 vs Flextype, the Slant community recommends TYPO3 for most people. In the question“What is the best PHP CMS?” TYPO3 is ranked 10th while Flextype is ranked 11th. The most important reason people chose TYPO3 is:
You can use both one-tree and multi-tree structure.
Specs
Ranked in these QuestionsQuestion Ranking
Pros
Pro Flexible multi-lingual site management
You can use both one-tree and multi-tree structure.
Pro Multiple websites/domains from one installation
You can use a single TYPO3 installation for multiple websites and domains.
Pro TYPO3 is enterprise
TYPO3 can be used from small to very big installations where it is possible to give rights to users on a very fine grained basis.
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 Writing or debugging extension in Typoscript is a nightmare
Con Same CMS repackaged
Same CMS that got regurgitated over and over for years.